477987477 has 8 divisors (see below), whose sum is σ = 695254560. Its totient is φ = 289689360.

The previous prime is 477987469. The next prime is 477987479. The reversal of 477987477 is 774789774.

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

It is not a de Polignac number, because 477987477 - 2³ = 477987469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477987477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477987479) 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, 7242202 + ... + 7242267.

It is an arithmetic number, because the mean of its divisors is an integer number (86906820).

Almost surely, 2^477987477 is an apocalyptic number.

It is an amenable number.

477987477 is a deficient number, since it is larger than the sum of its proper divisors (217267083).

477987477 is a wasteful number, since it uses less digits than its factorization.

477987477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14484483.

The product of its digits is 19361664, while the sum is 60.

The square root of 477987477 is about 21862.9247128558. The cubic root of 477987477 is about 781.8777229377.

The spelling of 477987477 in words is "four hundred seventy-seven million, nine hundred eighty-seven thousand, four hundred seventy-seven".