48518976861 has 8 divisors (see below), whose sum is σ = 71879965760. Its totient is φ = 32345984556.

The previous prime is 48518976823. The next prime is 48518976881. The reversal of 48518976861 is 16867981584.

48518976861 is a `hidden beast` number, since 48 + 518 + 9 + 76 + 8 + 6 + 1 = 666.

It is not a de Polignac number, because 48518976861 - 2²⁵ = 48485422429 is a prime.

It is a super-2 number, since 2×48518976861² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48518976881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898499545 + ... + 898499598.

It is an arithmetic number, because the mean of its divisors is an integer number (8984995720).

Almost surely, 2^48518976861 is an apocalyptic number.

It is an amenable number.

48518976861 is a deficient number, since it is larger than the sum of its proper divisors (23360988899).

48518976861 is a wasteful number, since it uses less digits than its factorization.

48518976861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796999152 (or 1796999146 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 48518976861 in words is "forty-eight billion, five hundred eighteen million, nine hundred seventy-six thousand, eight hundred sixty-one".