478739372 has 6 divisors (see below), whose sum is σ = 837793908. Its totient is φ = 239369684.

The previous prime is 478739357. The next prime is 478739381. The reversal of 478739372 is 273937874.

It is a self number, because there is not a number n which added to its sum of digits gives 478739372.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59842418 + ... + 59842425.

It is an arithmetic number, because the mean of its divisors is an integer number (139632318).

Almost surely, 2^478739372 is an apocalyptic number.

It is an amenable number.

478739372 is a deficient number, since it is larger than the sum of its proper divisors (359054536).

478739372 is a wasteful number, since it uses less digits than its factorization.

478739372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119684847 (or 119684845 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 50.

The square root of 478739372 is about 21880.1136194491. The cubic root of 478739372 is about 782.2874839942.

The spelling of 478739372 in words is "four hundred seventy-eight million, seven hundred thirty-nine thousand, three hundred seventy-two".