477488387 has 4 divisors (see below), whose sum is σ = 477532440. Its totient is φ = 477444336.

The previous prime is 477488359. The next prime is 477488399. The reversal of 477488387 is 783884774.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 477488387 - 2¹² = 477484291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477482387) 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, 6863 + ... + 31655.

It is an arithmetic number, because the mean of its divisors is an integer number (119383110).

Almost surely, 2^477488387 is an apocalyptic number.

477488387 is a deficient number, since it is larger than the sum of its proper divisors (44053).

477488387 is a wasteful number, since it uses less digits than its factorization.

477488387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44052.

The product of its digits is 8429568, while the sum is 56.

The square root of 477488387 is about 21851.5076596559. The cubic root of 477488387 is about 781.6054959660.

The spelling of 477488387 in words is "four hundred seventy-seven million, four hundred eighty-eight thousand, three hundred eighty-seven".