80956902 has 32 divisors (see below), whose sum is σ = 175230720. Its totient is φ = 24786720.

The previous prime is 80956901. The next prime is 80956933. The reversal of 80956902 is 20965908.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80956901) 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, 13999 + ... + 18917.

It is an arithmetic number, because the mean of its divisors is an integer number (5475960).

Almost surely, 2^80956902 is an apocalyptic number.

80956902 is an abundant number, since it is smaller than the sum of its proper divisors (94273818).

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

80956902 is a wasteful number, since it uses less digits than its factorization.

80956902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 80956902 is about 8997.6053480912. The cubic root of 80956902 is about 432.5981191176.

The spelling of 80956902 in words is "eighty million, nine hundred fifty-six thousand, nine hundred two".