478204808392 has 24 divisors (see below), whose sum is σ = 918527193990. Its totient is φ = 233264528960.

The previous prime is 478204808383. The next prime is 478204808401. The reversal of 478204808392 is 293808402874.

It is an interprime number because it is at equal distance from previous prime (478204808383) and next prime (478204808401).

It can be written as a sum of positive squares in only one way, i.e., 472373042436 + 5831765956 = 687294^2 + 76366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12504933 + ... + 12543115.

Almost surely, 2^478204808392 is an apocalyptic number.

It is an amenable number.

478204808392 is a deficient number, since it is larger than the sum of its proper divisors (440322385598).

478204808392 is an frugal number, since it uses more digits than its factorization.

478204808392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76413 (or 38226 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 478204808392 in words is "four hundred seventy-eight billion, two hundred four million, eight hundred eight thousand, three hundred ninety-two".