3077656640 has 56 divisors (see below), whose sum is σ = 7429119000. Its totient is φ = 1214189568.

The previous prime is 3077656619. The next prime is 3077656661. The reversal of 3077656640 is 466567703.

It is an interprime number because it is at equal distance from previous prime (3077656619) and next prime (3077656661).

It can be written as a sum of positive squares in 4 ways, for example, as 181494784 + 2896161856 = 13472^2 + 53816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3077656591 and 3077656600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42515 + ... + 89234.

Almost surely, 2^3077656640 is an apocalyptic number.

It is an amenable number.

3077656640 is an abundant number, since it is smaller than the sum of its proper divisors (4351462360).

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

3077656640 is a wasteful number, since it uses less digits than its factorization.

3077656640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131839 (or 131829 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 3077656640 is about 55476.6314766857. The cubic root of 3077656640 is about 1454.5881838584.

The spelling of 3077656640 in words is "three billion, seventy-seven million, six hundred fifty-six thousand, six hundred forty".