80945959825 has 12 divisors (see below), whose sum is σ = 105655779760. Its totient is φ = 61348516560.

The previous prime is 80945959819. The next prime is 80945959931. The reversal of 80945959825 is 52895954908.

It is not a de Polignac number, because 80945959825 - 2³ = 80945959817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85205799 + ... + 85206748.

Almost surely, 2^80945959825 is an apocalyptic number.

It is an amenable number.

80945959825 is a deficient number, since it is larger than the sum of its proper divisors (24709819935).

80945959825 is a wasteful number, since it uses less digits than its factorization.

80945959825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170412576 (or 170412571 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 64.

The spelling of 80945959825 in words is "eighty billion, nine hundred forty-five million, nine hundred fifty-nine thousand, eight hundred twenty-five".