478622586872 has 32 divisors (see below), whose sum is σ = 953903977920. Its totient is φ = 224357744640.

The previous prime is 478622586859. The next prime is 478622586877. The reversal of 478622586872 is 278685226874.

It is a junction number, because it is equal to n+sod(n) for n = 478622586799 and 478622586808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478622586877) 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, 6811904 + ... + 6881807.

It is an arithmetic number, because the mean of its divisors is an integer number (29809499310).

Almost surely, 2^478622586872 is an apocalyptic number.

It is an amenable number.

478622586872 is a deficient number, since it is larger than the sum of its proper divisors (475281391048).

478622586872 is a wasteful number, since it uses less digits than its factorization.

478622586872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693991 (or 13693987 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 65.

The spelling of 478622586872 in words is "four hundred seventy-eight billion, six hundred twenty-two million, five hundred eighty-six thousand, eight hundred seventy-two".