478987532 has 24 divisors (see below), whose sum is σ = 848478960. Its totient is φ = 236583360.

The previous prime is 478987517. The next prime is 478987559. The reversal of 478987532 is 235789874.

It is a super-2 number, since 2×478987532² = 458858111622902048, which contains 22 as substring.

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, 110282 + ... + 114542.

It is an arithmetic number, because the mean of its divisors is an integer number (35353290).

Almost surely, 2^478987532 is an apocalyptic number.

It is an amenable number.

478987532 is a deficient number, since it is larger than the sum of its proper divisors (369491428).

478987532 is a wasteful number, since it uses less digits than its factorization.

478987532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601 (or 4599 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 478987532 is about 21885.7837876554. The cubic root of 478987532 is about 782.4226298512.

The spelling of 478987532 in words is "four hundred seventy-eight million, nine hundred eighty-seven thousand, five hundred thirty-two".