48685386915 has 48 divisors (see below), whose sum is σ = 96904903680. Its totient is φ = 22362661440.

The previous prime is 48685386889. The next prime is 48685386973. The reversal of 48685386915 is 51968358684.

48685386915 is a `hidden beast` number, since 4 + 8 + 6 + 8 + 538 + 6 + 91 + 5 = 666.

It is not a de Polignac number, because 48685386915 - 2⁶ = 48685386851 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2578867 + ... + 2597676.

It is an arithmetic number, because the mean of its divisors is an integer number (2018852160).

Almost surely, 2^48685386915 is an apocalyptic number.

48685386915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

48685386915 is a deficient number, since it is larger than the sum of its proper divisors (48219516765).

48685386915 is a wasteful number, since it uses less digits than its factorization.

48685386915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176584 (or 5176581 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

It can be divided in two parts, 48685 and 386915, that added together give a square (435600 = 660²).

The spelling of 48685386915 in words is "forty-eight billion, six hundred eighty-five million, three hundred eighty-six thousand, nine hundred fifteen".