80623700 has 36 divisors (see below), whose sum is σ = 177834972. Its totient is φ = 31718400.

The previous prime is 80623691. The next prime is 80623721. The reversal of 80623700 is 732608.

It can be written as a sum of positive squares in 6 ways, for example, as 17960644 + 62663056 = 4238^2 + 7916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80623700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509 + ... + 12708.

Almost surely, 2^80623700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80623700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88917486).

80623700 is an abundant number, since it is smaller than the sum of its proper divisors (97211272).

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

80623700 is a wasteful number, since it uses less digits than its factorization.

80623700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13292 (or 13285 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 80623700 is about 8979.0701077561. The cubic root of 80623700 is about 432.0038079797.

The spelling of 80623700 in words is "eighty million, six hundred twenty-three thousand, seven hundred".