80676864 has 96 divisors (see below), whose sum is σ = 239148000. Its totient is φ = 26873856.

The previous prime is 80676859. The next prime is 80676887. The reversal of 80676864 is 46867608.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54567 + ... + 56025.

It is an arithmetic number, because the mean of its divisors is an integer number (2491125).

Almost surely, 2^80676864 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 80676864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119574000).

80676864 is an abundant number, since it is smaller than the sum of its proper divisors (158471136).

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

80676864 is a wasteful number, since it uses less digits than its factorization.

80676864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 80676864 is about 8982.0300600699. The cubic root of 80676864 is about 432.0987428606.

The spelling of 80676864 in words is "eighty million, six hundred seventy-six thousand, eight hundred sixty-four".