80878384 has 30 divisors (see below), whose sum is σ = 166471364. Its totient is φ = 38058240.

The previous prime is 80878331. The next prime is 80878397. The reversal of 80878384 is 48387808.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4122 + ... + 13369.

Almost surely, 2^80878384 is an apocalyptic number.

It is an amenable number.

80878384 is an abundant number, since it is smaller than the sum of its proper divisors (85592980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80878384 is a wasteful number, since it uses less digits than its factorization.

80878384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17533 (or 17510 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 80878384 is about 8993.2410175642. The cubic root of 80878384 is about 432.4582186464.

It can be divided in two parts, 8087 and 8384, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 80878384 in words is "eighty million, eight hundred seventy-eight thousand, three hundred eighty-four".