80378502 has 16 divisors (see below), whose sum is σ = 160997952. Its totient is φ = 26752680.

The previous prime is 80378489. The next prime is 80378513. The reversal of 80378502 is 20587308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5548 + ... + 13839.

It is an arithmetic number, because the mean of its divisors is an integer number (10062372).

Almost surely, 2^80378502 is an apocalyptic number.

80378502 is an abundant number, since it is smaller than the sum of its proper divisors (80619450).

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

80378502 is a wasteful number, since it uses less digits than its factorization.

80378502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20083.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 80378502 is about 8965.4058469207. The cubic root of 80378502 is about 431.5654173039.

The spelling of 80378502 in words is "eighty million, three hundred seventy-eight thousand, five hundred two".