478780938632 has 16 divisors (see below), whose sum is σ = 897724264140. Its totient is φ = 239387801536.

The previous prime is 478780938563. The next prime is 478780938703. The reversal of 478780938632 is 236839087874.

It can be written as a sum of positive squares in 2 ways, for example, as 468493705156 + 10287233476 = 684466^2 + 101426^2 .

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, 574778 + ... + 1134870.

Almost surely, 2^478780938632 is an apocalyptic number.

It is an amenable number.

478780938632 is a deficient number, since it is larger than the sum of its proper divisors (418943325508).

478780938632 is a wasteful number, since it uses less digits than its factorization.

478780938632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666952 (or 666948 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 65.

The spelling of 478780938632 in words is "four hundred seventy-eight billion, seven hundred eighty million, nine hundred thirty-eight thousand, six hundred thirty-two".