632887479 has 64 divisors (see below), whose sum is σ = 1123584000. Its totient is φ = 351685152.

The previous prime is 632887471. The next prime is 632887487. The reversal of 632887479 is 974788236.

It is an interprime number because it is at equal distance from previous prime (632887471) and next prime (632887487).

It is not a de Polignac number, because 632887479 - 2³ = 632887471 is a prime.

It is a super-2 number, since 2×632887479² = 801093122149950882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632887471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341734 + ... + 343580.

It is an arithmetic number, because the mean of its divisors is an integer number (17556000).

Almost surely, 2^632887479 is an apocalyptic number.

632887479 is a deficient number, since it is larger than the sum of its proper divisors (490696521).

632887479 is a wasteful number, since it uses less digits than its factorization.

632887479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1894 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 632887479 is about 25157.2549973164. The cubic root of 632887479 is about 858.5695885380.

The spelling of 632887479 in words is "six hundred thirty-two million, eight hundred eighty-seven thousand, four hundred seventy-nine".