2947969080 has 384 divisors, whose sum is σ = 11671994880. Its totient is φ = 655050240.

The previous prime is 2947969069. The next prime is 2947969093. The reversal of 2947969080 is 809697492.

2947969080 is a `hidden beast` number, since 2 + 9 + 479 + 6 + 90 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2516895 + ... + 2518065.

It is an arithmetic number, because the mean of its divisors is an integer number (30395820).

Almost surely, 2^2947969080 is an apocalyptic number.

2947969080 is a gapful number since it is divisible by the number (20) 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 2947969080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5835997440).

2947969080 is an abundant number, since it is smaller than the sum of its proper divisors (8724025800).

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

2947969080 is a wasteful number, since it uses less digits than its factorization.

2947969080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 2947969080 is about 54295.2031030366. The cubic root of 2947969080 is about 1433.8629444825.

The spelling of 2947969080 in words is "two billion, nine hundred forty-seven million, nine hundred sixty-nine thousand, eighty".