80864464 has 20 divisors (see below), whose sum is σ = 160497540. Its totient is φ = 39445760.

The previous prime is 80864453. The next prime is 80864507. The reversal of 80864464 is 46446808.

It can be written as a sum of positive squares in 2 ways, for example, as 27457600 + 53406864 = 5240^2 + 7308^2 .

It is a super-3 number, since 3×80864464³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60979 + ... + 62290.

It is an arithmetic number, because the mean of its divisors is an integer number (8024877).

Almost surely, 2^80864464 is an apocalyptic number.

It is an amenable number.

80864464 is a deficient number, since it is larger than the sum of its proper divisors (79633076).

80864464 is a wasteful number, since it uses less digits than its factorization.

80864464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123318 (or 123312 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 80864464 is about 8992.4670697201. The cubic root of 80864464 is about 432.4334070569.

The spelling of 80864464 in words is "eighty million, eight hundred sixty-four thousand, four hundred sixty-four".