475778563948 has 6 divisors (see below), whose sum is σ = 832612486916. Its totient is φ = 237889281972.

The previous prime is 475778563927. The next prime is 475778563957. The reversal of 475778563948 is 849365877574.

It is a super-2 number, since 2×475778563948² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59472320490 + ... + 59472320497.

Almost surely, 2^475778563948 is an apocalyptic number.

It is an amenable number.

475778563948 is a deficient number, since it is larger than the sum of its proper divisors (356833922968).

475778563948 is a wasteful number, since it uses less digits than its factorization.

475778563948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118944640991 (or 118944640989 counting only the distinct ones).

The product of its digits is 1422489600, while the sum is 73.

The spelling of 475778563948 in words is "four hundred seventy-five billion, seven hundred seventy-eight million, five hundred sixty-three thousand, nine hundred forty-eight".