477616838 has 8 divisors (see below), whose sum is σ = 717146832. Its totient is φ = 238567896.

The previous prime is 477616837. The next prime is 477616877. The reversal of 477616838 is 838616774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×477616838² = 456235687882236488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477616837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117770 + ... + 121757.

It is an arithmetic number, because the mean of its divisors is an integer number (89643354).

Almost surely, 2^477616838 is an apocalyptic number.

477616838 is a deficient number, since it is larger than the sum of its proper divisors (239529994).

477616838 is a wasteful number, since it uses less digits than its factorization.

477616838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240526.

The product of its digits is 1354752, while the sum is 50.

The square root of 477616838 is about 21854.4466413588. The cubic root of 477616838 is about 781.6755772558.

The spelling of 477616838 in words is "four hundred seventy-seven million, six hundred sixteen thousand, eight hundred thirty-eight".