80681502 has 32 divisors (see below), whose sum is σ = 180132480. Its totient is φ = 23879520.

The previous prime is 80681501. The next prime is 80681519. The reversal of 80681502 is 20518608.

It is a self number, because there is not a number n which added to its sum of digits gives 80681502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80681501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11377 + ... + 17052.

It is an arithmetic number, because the mean of its divisors is an integer number (5629140).

Almost surely, 2^80681502 is an apocalyptic number.

80681502 is an abundant number, since it is smaller than the sum of its proper divisors (99450978).

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

80681502 is a wasteful number, since it uses less digits than its factorization.

80681502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28488.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 80681502 is about 8982.2882385281. The cubic root of 80681502 is about 432.1070229526.

The spelling of 80681502 in words is "eighty million, six hundred eighty-one thousand, five hundred two".