479649503731678 has 16 divisors (see below), whose sum is σ = 822261816889344. Its totient is φ = 205562691833400.

The previous prime is 479649503731633. The next prime is 479649503731687. The reversal of 479649503731678 is 876137305946974.

It is a junction number, because it is equal to n+sod(n) for n = 479649503731598 and 479649503731607.

It is a congruent number.

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, 112940098 + ... + 117110053.

It is an arithmetic number, because the mean of its divisors is an integer number (51391363555584).

Almost surely, 2^{479649503731678} is an apocalyptic number.

479649503731678 is a deficient number, since it is larger than the sum of its proper divisors (342612313157666).

479649503731678 is a wasteful number, since it uses less digits than its factorization.

479649503731678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230199087.

The product of its (nonzero) digits is 5761082880, while the sum is 79.

The spelling of 479649503731678 in words is "four hundred seventy-nine trillion, six hundred forty-nine billion, five hundred three million, seven hundred thirty-one thousand, six hundred seventy-eight".