478376732015 has 16 divisors (see below), whose sum is σ = 706525635648. Its totient is φ = 302796700416.

The previous prime is 478376731999. The next prime is 478376732023. The reversal of 478376732015 is 510237673874.

It is not a de Polignac number, because 478376732015 - 2⁴ = 478376731999 is a prime.

It is a super-2 number, since 2×478376732015² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525688262 + ... + 525689171.

It is an arithmetic number, because the mean of its divisors is an integer number (44157852228).

Almost surely, 2^478376732015 is an apocalyptic number.

478376732015 is a deficient number, since it is larger than the sum of its proper divisors (228148903633).

478376732015 is a wasteful number, since it uses less digits than its factorization.

478376732015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051377458.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 478376732015 in words is "four hundred seventy-eight billion, three hundred seventy-six million, seven hundred thirty-two thousand, fifteen".