80647742188 has 12 divisors (see below), whose sum is σ = 151989975760. Its totient is φ = 37222034832.

The previous prime is 80647742173. The next prime is 80647742221. The reversal of 80647742188 is 88124774608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775459008 + ... + 775459111.

Almost surely, 2^80647742188 is an apocalyptic number.

It is an amenable number.

80647742188 is a deficient number, since it is larger than the sum of its proper divisors (71342233572).

80647742188 is a wasteful number, since it uses less digits than its factorization.

80647742188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550918136 (or 1550918134 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 80647742188 in words is "eighty billion, six hundred forty-seven million, seven hundred forty-two thousand, one hundred eighty-eight".