477425991 has 8 divisors (see below), whose sum is σ = 727506304. Its totient is φ = 272814840.

The previous prime is 477425983. The next prime is 477426007. The reversal of 477425991 is 199524774.

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

It is not a de Polignac number, because 477425991 - 2³ = 477425983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477425991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477425951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11367265 + ... + 11367306.

It is an arithmetic number, because the mean of its divisors is an integer number (90938288).

Almost surely, 2^477425991 is an apocalyptic number.

477425991 is a deficient number, since it is larger than the sum of its proper divisors (250080313).

477425991 is a wasteful number, since it uses less digits than its factorization.

477425991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22734581.

The product of its digits is 635040, while the sum is 48.

The square root of 477425991 is about 21850.0798854375. The cubic root of 477425991 is about 781.5714489383.

The spelling of 477425991 in words is "four hundred seventy-seven million, four hundred twenty-five thousand, nine hundred ninety-one".