80652816 has 30 divisors (see below), whose sum is σ = 225716270. Its totient is φ = 26884224.

The previous prime is 80652787. The next prime is 80652833. The reversal of 80652816 is 61825608.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68956416 + 11696400 = 8304^2 + 3420^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 279901 + ... + 280188.

Almost surely, 2^80652816 is an apocalyptic number.

It is an amenable number.

80652816 is an abundant number, since it is smaller than the sum of its proper divisors (145063454).

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

80652816 is a wasteful number, since it uses less digits than its factorization.

80652816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560103 (or 560094 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80652816 is about 8980.6912874233. The cubic root of 80652816 is about 432.0558055480.

The spelling of 80652816 in words is "eighty million, six hundred fifty-two thousand, eight hundred sixteen".