80358156 has 72 divisors (see below), whose sum is σ = 215255040. Its totient is φ = 26201232.

The previous prime is 80358143. The next prime is 80358211. The reversal of 80358156 is 65185308.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80358156.

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 23 ways as a sum of consecutive naturals, for example, 44805 + ... + 46563.

Almost surely, 2^80358156 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 80358156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107627520).

80358156 is an abundant number, since it is smaller than the sum of its proper divisors (134896884).

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

80358156 is a wasteful number, since it uses less digits than its factorization.

80358156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 80358156 is about 8964.2710802385. The cubic root of 80358156 is about 431.5290005559.

The spelling of 80358156 in words is "eighty million, three hundred fifty-eight thousand, one hundred fifty-six".