477267138 has 24 divisors (see below), whose sum is σ = 1048247148. Its totient is φ = 156909312.

The previous prime is 477267127. The next prime is 477267179. The reversal of 477267138 is 831762774.

It can be written as a sum of positive squares in 2 ways, for example, as 448719489 + 28547649 = 21183^2 + 5343^2 .

It is a super-2 number, since 2×477267138² = 455567842029422088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 477267093 and 477267102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180295 + ... + 182922.

Almost surely, 2^477267138 is an apocalyptic number.

477267138 is an abundant number, since it is smaller than the sum of its proper divisors (570980010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477267138 is a wasteful number, since it uses less digits than its factorization.

477267138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363298 (or 363295 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 477267138 is about 21846.4445162136. Note that the first 3 decimals coincide. The cubic root of 477267138 is about 781.4847557515.

The spelling of 477267138 in words is "four hundred seventy-seven million, two hundred sixty-seven thousand, one hundred thirty-eight".