655615479 has 16 divisors (see below), whose sum is σ = 879667200. Its totient is φ = 434329056.

The previous prime is 655615439. The next prime is 655615507. The reversal of 655615479 is 974516556.

It is not a de Polignac number, because 655615479 - 2⁸ = 655615223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655615439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593842 + ... + 594944.

It is an arithmetic number, because the mean of its divisors is an integer number (54979200).

Almost surely, 2^655615479 is an apocalyptic number.

655615479 is a deficient number, since it is larger than the sum of its proper divisors (224051721).

655615479 is a wasteful number, since it uses less digits than its factorization.

655615479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its digits is 1134000, while the sum is 48.

The square root of 655615479 is about 25604.9893380177. The cubic root of 655615479 is about 868.7264932031.

The spelling of 655615479 in words is "six hundred fifty-five million, six hundred fifteen thousand, four hundred seventy-nine".