478610757 has 12 divisors (see below), whose sum is σ = 691612480. Its totient is φ = 318941928.

The previous prime is 478610731. The next prime is 478610789. The reversal of 478610757 is 757016874.

It is a de Polignac number, because none of the positive numbers 2^k-478610757 is a prime.

It is a super-2 number, since 2×478610757² = 458136513432226098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478610357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15294 + ... + 34512.

Almost surely, 2^478610757 is an apocalyptic number.

It is an amenable number.

478610757 is a deficient number, since it is larger than the sum of its proper divisors (213001723).

478610757 is a wasteful number, since it uses less digits than its factorization.

478610757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21992 (or 21989 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 478610757 is about 21877.1743376516. The cubic root of 478610757 is about 782.2174229672.

The spelling of 478610757 in words is "four hundred seventy-eight million, six hundred ten thousand, seven hundred fifty-seven".