80547612272 has 20 divisors (see below), whose sum is σ = 156495720240. Its totient is φ = 40161619968.

The previous prime is 80547612251. The next prime is 80547612283. The reversal of 80547612272 is 27221674508.

It is a congruent number.

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, 7005713 + ... + 7017200.

It is an arithmetic number, because the mean of its divisors is an integer number (7824786012).

Almost surely, 2^80547612272 is an apocalyptic number.

It is an amenable number.

80547612272 is a deficient number, since it is larger than the sum of its proper divisors (75948107968).

80547612272 is a wasteful number, since it uses less digits than its factorization.

80547612272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14023280 (or 14023274 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 80547612272 in words is "eighty billion, five hundred forty-seven million, six hundred twelve thousand, two hundred seventy-two".