80388564 has 24 divisors (see below), whose sum is σ = 188192928. Its totient is φ = 26707680.

The previous prime is 80388559. The next prime is 80388569. The reversal of 80388564 is 46588308.

It is an interprime number because it is at equal distance from previous prime (80388559) and next prime (80388569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80388569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7227 + ... + 14594.

It is an arithmetic number, because the mean of its divisors is an integer number (7841372).

Almost surely, 2^80388564 is an apocalyptic number.

It is an amenable number.

80388564 is an abundant number, since it is smaller than the sum of its proper divisors (107804364).

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

80388564 is a wasteful number, since it uses less digits than its factorization.

80388564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22135 (or 22133 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 80388564 is about 8965.9669863323. The cubic root of 80388564 is about 431.5834247310.

The spelling of 80388564 in words is "eighty million, three hundred eighty-eight thousand, five hundred sixty-four".