80694128 has 20 divisors (see below), whose sum is σ = 157309128. Its totient is φ = 40098240.

The previous prime is 80694113. The next prime is 80694161. The reversal of 80694128 is 82149608.

It is a junction number, because it is equal to n+sod(n) for n = 80694091 and 80694100.

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, 12863 + ... + 18078.

Almost surely, 2^80694128 is an apocalyptic number.

It is an amenable number.

80694128 is a deficient number, since it is larger than the sum of its proper divisors (76615000).

80694128 is a wasteful number, since it uses less digits than its factorization.

80694128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31112 (or 31106 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 80694128 is about 8982.9910386241. The cubic root of 80694128 is about 432.1295621905.

The spelling of 80694128 in words is "eighty million, six hundred ninety-four thousand, one hundred twenty-eight".