477991079 has 16 divisors (see below), whose sum is σ = 513565920. Its totient is φ = 444003840.

The previous prime is 477991069. The next prime is 477991121. The reversal of 477991079 is 970199774.

It is a cyclic number.

It is not a de Polignac number, because 477991079 - 2⁸ = 477990823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477991079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477991009) 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, 84044 + ... + 89550.

It is an arithmetic number, because the mean of its divisors is an integer number (32097870).

Almost surely, 2^477991079 is an apocalyptic number.

477991079 is a deficient number, since it is larger than the sum of its proper divisors (35574841).

477991079 is a wasteful number, since it uses less digits than its factorization.

477991079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650.

The product of its (nonzero) digits is 1000188, while the sum is 53.

The square root of 477991079 is about 21863.0070896023. The cubic root of 477991079 is about 781.8796869476.

The spelling of 477991079 in words is "four hundred seventy-seven million, nine hundred ninety-one thousand, seventy-nine".