80076279728 has 10 divisors (see below), whose sum is σ = 155147792004. Its totient is φ = 40038139856.

The previous prime is 80076279721. The next prime is 80076279757. The reversal of 80076279728 is 82797267008.

It is not an unprimeable number, because it can be changed into a prime (80076279721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502383726 + ... + 2502383757.

Almost surely, 2^80076279728 is an apocalyptic number.

It is an amenable number.

80076279728 is a deficient number, since it is larger than the sum of its proper divisors (75071512276).

80076279728 is a wasteful number, since it uses less digits than its factorization.

80076279728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004767491 (or 5004767485 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 56.

The spelling of 80076279728 in words is "eighty billion, seventy-six million, two hundred seventy-nine thousand, seven hundred twenty-eight".