80694887 has 16 divisors (see below), whose sum is σ = 100951872. Its totient is φ = 62795520.

The previous prime is 80694877. The next prime is 80694899. The reversal of 80694887 is 78849608.

It is a cyclic number.

It is not a de Polignac number, because 80694887 - 2⁴ = 80694871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80694877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1718 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (6309492).

Almost surely, 2^80694887 is an apocalyptic number.

80694887 is a deficient number, since it is larger than the sum of its proper divisors (20256985).

80694887 is a wasteful number, since it uses less digits than its factorization.

80694887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 80694887 is about 8983.0332850324. The cubic root of 80694887 is about 432.1309170404.

The spelling of 80694887 in words is "eighty million, six hundred ninety-four thousand, eight hundred eighty-seven".