477890747 has 4 divisors (see below), whose sum is σ = 478292520. Its totient is φ = 477488976.

The previous prime is 477890741. The next prime is 477890753. The reversal of 477890747 is 747098774.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (477890741) and next prime (477890753).

It is a cyclic number.

It is not a de Polignac number, because 477890747 - 2⁶ = 477890683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477890741) 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, 199097 + ... + 201482.

It is an arithmetic number, because the mean of its divisors is an integer number (119573130).

Almost surely, 2^477890747 is an apocalyptic number.

477890747 is a deficient number, since it is larger than the sum of its proper divisors (401773).

477890747 is a wasteful number, since it uses less digits than its factorization.

477890747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401772.

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 477890747 is about 21860.7124083366. The cubic root of 477890747 is about 781.8249766921.

The spelling of 477890747 in words is "four hundred seventy-seven million, eight hundred ninety thousand, seven hundred forty-seven".