80954964 has 72 divisors (see below), whose sum is σ = 218047648. Its totient is φ = 26244000.

The previous prime is 80954957. The next prime is 80954977. The reversal of 80954964 is 46945908.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34839 + ... + 37089.

Almost surely, 2^80954964 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 80954964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109023824).

80954964 is an abundant number, since it is smaller than the sum of its proper divisors (137092684).

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

80954964 is a wasteful number, since it uses less digits than its factorization.

80954964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 80954964 is about 8997.4976521253. The cubic root of 80954964 is about 432.5946671498.

It can be divided in two parts, 80954 and 964, that added together give a palindrome (81918).

The spelling of 80954964 in words is "eighty million, nine hundred fifty-four thousand, nine hundred sixty-four".