86253011838 has 96 divisors (see below), whose sum is σ = 233146717440. Its totient is φ = 23346662400.

The previous prime is 86253011807. The next prime is 86253011839. The reversal of 86253011838 is 83811035268.

86253011838 is a `hidden beast` number, since 8 + 625 + 3 + 0 + 1 + 18 + 3 + 8 = 666.

It is a super-2 number, since 2×86253011838² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86253011793 and 86253011802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86253011839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602563 + ... + 731838.

It is an arithmetic number, because the mean of its divisors is an integer number (2428611640).

Almost surely, 2^86253011838 is an apocalyptic number.

86253011838 is an abundant number, since it is smaller than the sum of its proper divisors (146893705602).

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

86253011838 is a wasteful number, since it uses less digits than its factorization.

86253011838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334444 (or 1334432 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 86253011838 in words is "eighty-six billion, two hundred fifty-three million, eleven thousand, eight hundred thirty-eight".