80942976 has 160 divisors (see below), whose sum is σ = 248567880. Its totient is φ = 26127360.

The previous prime is 80942971. The next prime is 80942987. The reversal of 80942976 is 67924908.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80942971) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 383511 + ... + 383721.

Almost surely, 2^80942976 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 80942976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124283940).

80942976 is an abundant number, since it is smaller than the sum of its proper divisors (167624904).

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

80942976 is a wasteful number, since it uses less digits than its factorization.

80942976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 80942976 is about 8996.8314422356. The cubic root of 80942976 is about 432.5733128864.

It can be divided in two parts, 80942 and 976, that added together give a palindrome (81918).

The spelling of 80942976 in words is "eighty million, nine hundred forty-two thousand, nine hundred seventy-six".