477917961 has 16 divisors (see below), whose sum is σ = 649591488. Its totient is φ = 312488000.

The previous prime is 477917927. The next prime is 477917977. The reversal of 477917961 is 169719774.

It is a cyclic number.

It is not a de Polignac number, because 477917961 - 2⁹ = 477917449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477917261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25051 + ... + 39791.

It is an arithmetic number, because the mean of its divisors is an integer number (40599468).

Almost surely, 2^477917961 is an apocalyptic number.

It is an amenable number.

477917961 is a deficient number, since it is larger than the sum of its proper divisors (171673527).

477917961 is a wasteful number, since it uses less digits than its factorization.

477917961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14952.

The product of its digits is 666792, while the sum is 51.

The square root of 477917961 is about 21861.3348403065. The cubic root of 477917961 is about 781.8398170304.

The spelling of 477917961 in words is "four hundred seventy-seven million, nine hundred seventeen thousand, nine hundred sixty-one".