80718838 has 16 divisors (see below), whose sum is σ = 122559120. Its totient is φ = 39868416.

The previous prime is 80718811. The next prime is 80718851. The reversal of 80718838 is 83881708.

It is a junction number, because it is equal to n+sod(n) for n = 80718794 and 80718803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130093 + ... + 130711.

It is an arithmetic number, because the mean of its divisors is an integer number (7659945).

Almost surely, 2^80718838 is an apocalyptic number.

80718838 is a deficient number, since it is larger than the sum of its proper divisors (41840282).

80718838 is a wasteful number, since it uses less digits than its factorization.

80718838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 80718838 is about 8984.3663104306. The cubic root of 80718838 is about 432.1736663155.

The spelling of 80718838 in words is "eighty million, seven hundred eighteen thousand, eight hundred thirty-eight".