7657406402312 has 64 divisors (see below), whose sum is σ = 15609704140800. Its totient is φ = 3510978419520.

The previous prime is 7657406402221. The next prime is 7657406402363. The reversal of 7657406402312 is 2132046047567.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5662862 + ... + 6883517.

It is an arithmetic number, because the mean of its divisors is an integer number (243901627200).

Almost surely, 2^{7657406402312} is an apocalyptic number.

It is an amenable number.

7657406402312 is an abundant number, since it is smaller than the sum of its proper divisors (7952297738488).

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

7657406402312 is a wasteful number, since it uses less digits than its factorization.

7657406402312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546546 (or 12546542 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 7657406402312 in words is "seven trillion, six hundred fifty-seven billion, four hundred six million, four hundred two thousand, three hundred twelve".