80957442736 has 20 divisors (see below), whose sum is σ = 156956094792. Its totient is φ = 40452644096.

The previous prime is 80957442701. The next prime is 80957442737. The reversal of 80957442736 is 63724475908.

It is not an unprimeable number, because it can be changed into a prime (80957442737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604206 + ... + 1653901.

Almost surely, 2^80957442736 is an apocalyptic number.

It is an amenable number.

80957442736 is a deficient number, since it is larger than the sum of its proper divisors (75998652056).

80957442736 is a wasteful number, since it uses less digits than its factorization.

80957442736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259668 (or 3259662 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 80957442736 in words is "eighty billion, nine hundred fifty-seven million, four hundred forty-two thousand, seven hundred thirty-six".