80361564 has 24 divisors (see below), whose sum is σ = 197379840. Its totient is φ = 25377264.

The previous prime is 80361553. The next prime is 80361613. The reversal of 80361564 is 46516308.

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, 176004 + ... + 176459.

It is an arithmetic number, because the mean of its divisors is an integer number (8224160).

Almost surely, 2^80361564 is an apocalyptic number.

It is an amenable number.

80361564 is an abundant number, since it is smaller than the sum of its proper divisors (117018276).

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

80361564 is a wasteful number, since it uses less digits than its factorization.

80361564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352489 (or 352487 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 80361564 is about 8964.4611661828. The cubic root of 80361564 is about 431.5351008703.

The spelling of 80361564 in words is "eighty million, three hundred sixty-one thousand, five hundred sixty-four".