1979847360 has 504 divisors, whose sum is σ = 7558832736. Its totient is φ = 492687360.

The previous prime is 1979847343. The next prime is 1979847377. The reversal of 1979847360 is 637489791.

It is a happy number.

1979847360 is a `hidden beast` number, since 197 + 98 + 4 + 7 + 360 = 666.

It is an interprime number because it is at equal distance from previous prime (1979847343) and next prime (1979847377).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1979847297 and 1979847306.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48288940 + ... + 48288980.

It is an arithmetic number, because the mean of its divisors is an integer number (14997684).

Almost surely, 2^1979847360 is an apocalyptic number.

1979847360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1979847360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779416368).

1979847360 is an abundant number, since it is smaller than the sum of its proper divisors (5578985376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1979847360 is an frugal number, since it uses more digits than its factorization.

1979847360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1979847360 is about 44495.4757250667. The cubic root of 1979847360 is about 1255.6749669439.

The spelling of 1979847360 in words is "one billion, nine hundred seventy-nine million, eight hundred forty-seven thousand, three hundred sixty".