379478686455 has 224 divisors, whose sum is σ = 805267837440. Its totient is φ = 169582429440.

The previous prime is 379478686439. The next prime is 379478686541. The reversal of 379478686455 is 554686874973.

379478686455 is a `hidden beast` number, since 3 + 7 + 94 + 7 + 8 + 6 + 86 + 455 = 666.

It is not a de Polignac number, because 379478686455 - 2⁴ = 379478686439 is a prime.

It is a super-2 number, since 2×379478686455² (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 223 ways as a sum of consecutive naturals, for example, 28180054 + ... + 28193516.

Almost surely, 2^379478686455 is an apocalyptic number.

379478686455 is an abundant number, since it is smaller than the sum of its proper divisors (425789150985).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

379478686455 is a wasteful number, since it uses less digits than its factorization.

379478686455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553 (or 13538 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 72.

The spelling of 379478686455 in words is "three hundred seventy-nine billion, four hundred seventy-eight million, six hundred eighty-six thousand, four hundred fifty-five".