80771680975 has 24 divisors (see below), whose sum is σ = 100662307200. Its totient is φ = 64291691520.

The previous prime is 80771680963. The next prime is 80771681009. The reversal of 80771680975 is 57908617708.

It is not a de Polignac number, because 80771680975 - 2¹⁵ = 80771648207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9123351 + ... + 9132199.

It is an arithmetic number, because the mean of its divisors is an integer number (4194262800).

Almost surely, 2^80771680975 is an apocalyptic number.

80771680975 is a deficient number, since it is larger than the sum of its proper divisors (19890626225).

80771680975 is a wasteful number, since it uses less digits than its factorization.

80771680975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10659 (or 10654 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 58.

The spelling of 80771680975 in words is "eighty billion, seven hundred seventy-one million, six hundred eighty thousand, nine hundred seventy-five".