1878937560 has 160 divisors (see below), whose sum is σ = 6334495200. Its totient is φ = 499530240.

The previous prime is 1878937547. The next prime is 1878937561. The reversal of 1878937560 is 657398781.

1878937560 is a `hidden beast` number, since 1 + 8 + 78 + 9 + 3 + 7 + 560 = 666.

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 = 1878937497 and 1878937506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878937561) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1421700 + ... + 1423020.

It is an arithmetic number, because the mean of its divisors is an integer number (39590595).

Almost surely, 2^1878937560 is an apocalyptic number.

1878937560 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 1878937560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3167247600).

1878937560 is an abundant number, since it is smaller than the sum of its proper divisors (4455557640).

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

1878937560 is a wasteful number, since it uses less digits than its factorization.

1878937560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 1878937560 is about 43346.7133702199. The cubic root of 1878937560 is about 1233.9686210080.

The spelling of 1878937560 in words is "one billion, eight hundred seventy-eight million, nine hundred thirty-seven thousand, five hundred sixty".