82664464 has 15 divisors (see below), whose sum is σ = 160232893. Its totient is φ = 41314048.

The previous prime is 82664453. The next prime is 82664473. The reversal of 82664464 is 46446628.

The square root of 82664464 is 9092.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 9048064 = 8580^2 + 3008^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35232 + ... + 37504.

Almost surely, 2^82664464 is an apocalyptic number.

82664464 is the 9092-nd square number.

It is an amenable number.

82664464 is a deficient number, since it is larger than the sum of its proper divisors (77568429).

82664464 is an frugal number, since it uses more digits than its factorization.

82664464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 2275 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The cubic root of 82664464 is about 435.6184693623.

The spelling of 82664464 in words is "eighty-two million, six hundred sixty-four thousand, four hundred sixty-four".