478277777924 has 24 divisors (see below), whose sum is σ = 843479498400. Its totient is φ = 237284087040.

The previous prime is 478277777867. The next prime is 478277777981. The reversal of 478277777924 is 429777772874.

It is an interprime number because it is at equal distance from previous prime (478277777867) and next prime (478277777981).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548212 + ... + 4652180.

It is an arithmetic number, because the mean of its divisors is an integer number (35144979100).

Almost surely, 2^478277777924 is an apocalyptic number.

It is an amenable number.

478277777924 is a deficient number, since it is larger than the sum of its proper divisors (365201720476).

478277777924 is a wasteful number, since it uses less digits than its factorization.

478277777924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112883 (or 112881 counting only the distinct ones).

The product of its digits is 542126592, while the sum is 71.

The spelling of 478277777924 in words is "four hundred seventy-eight billion, two hundred seventy-seven million, seven hundred seventy-seven thousand, nine hundred twenty-four".