477478505 has 16 divisors (see below), whose sum is σ = 683299584. Its totient is φ = 313177920.

The previous prime is 477478489. The next prime is 477478517. The reversal of 477478505 is 505874774.

It is a happy number.

It is not a de Polignac number, because 477478505 - 2⁴ = 477478489 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 477478505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295766 + ... + 297375.

It is an arithmetic number, because the mean of its divisors is an integer number (42706224).

Almost surely, 2^477478505 is an apocalyptic number.

It is an amenable number.

477478505 is a deficient number, since it is larger than the sum of its proper divisors (205821079).

477478505 is a wasteful number, since it uses less digits than its factorization.

477478505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593176.

The product of its (nonzero) digits is 1097600, while the sum is 47.

The square root of 477478505 is about 21851.2815413650. The cubic root of 477478505 is about 781.6001039474.

The spelling of 477478505 in words is "four hundred seventy-seven million, four hundred seventy-eight thousand, five hundred five".