80775273670 has 64 divisors (see below), whose sum is σ = 179737076736. Its totient is φ = 25451360640.

The previous prime is 80775273647. The next prime is 80775273697. The reversal of 80775273670 is 7637257708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11055 + ... + 402085.

It is an arithmetic number, because the mean of its divisors is an integer number (2808391824).

Almost surely, 2^80775273670 is an apocalyptic number.

80775273670 is an abundant number, since it is smaller than the sum of its proper divisors (98961803066).

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

80775273670 is a wasteful number, since it uses less digits than its factorization.

80775273670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391285.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 80775273670 in words is "eighty billion, seven hundred seventy-five million, two hundred seventy-three thousand, six hundred seventy".