478242776 has 32 divisors (see below), whose sum is σ = 1035769680. Its totient is φ = 204595200.

The previous prime is 478242773. The next prime is 478242811. The reversal of 478242776 is 677242874.

It is a self number, because there is not a number n which added to its sum of digits gives 478242776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478242773) 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, 158345 + ... + 161336.

Almost surely, 2^478242776 is an apocalyptic number.

It is an amenable number.

478242776 is an abundant number, since it is smaller than the sum of its proper divisors (557526904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478242776 is a wasteful number, since it uses less digits than its factorization.

478242776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319715 (or 319711 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 47.

The square root of 478242776 is about 21868.7625621570. The cubic root of 478242776 is about 782.0169016696.

The spelling of 478242776 in words is "four hundred seventy-eight million, two hundred forty-two thousand, seven hundred seventy-six".