3879915062499 has 144 divisors (see below), whose sum is σ = 6986124288000. Its totient is φ = 2062658183040.

The previous prime is 3879915062477. The next prime is 3879915062503. The reversal of 3879915062499 is 9942605199783.

3879915062499 is a `hidden beast` number, since 3 + 8 + 7 + 9 + 9 + 1 + 506 + 24 + 99 = 666.

3879915062499 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1969750²-1.

It is not a de Polignac number, because 3879915062499 - 2⁷ = 3879915062371 is a prime.

It is a super-2 number, since 2×3879915062499² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3879915062299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 336821662 + ... + 336833180.

It is an arithmetic number, because the mean of its divisors is an integer number (48514752000).

It is a 1-persistent number, because it is pandigital, but 2⋅3879915062499 = 7759830124998 is not.

Almost surely, 2^{3879915062499} is an apocalyptic number.

3879915062499 is a deficient number, since it is larger than the sum of its proper divisors (3106209225501).

3879915062499 is a wasteful number, since it uses less digits than its factorization.

3879915062499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278 (or 12268 counting only the distinct ones).

The product of its (nonzero) digits is 264539520, while the sum is 72.

The spelling of 3879915062499 in words is "three trillion, eight hundred seventy-nine billion, nine hundred fifteen million, sixty-two thousand, four hundred ninety-nine".