86538100527431 has 4 divisors (see below), whose sum is σ = 98900686317072. Its totient is φ = 74175514737792.

The previous prime is 86538100527413. The next prime is 86538100527457. The reversal of 86538100527431 is 13472500183568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86538100527431 - 2²⁶ = 86538033418567 is a prime.

It is a super-2 number, since 2×86538100527431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86538100527491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6181292894810 + ... + 6181292894823.

It is an arithmetic number, because the mean of its divisors is an integer number (24725171579268).

Almost surely, 2^{86538100527431} is an apocalyptic number.

86538100527431 is a deficient number, since it is larger than the sum of its proper divisors (12362585789641).

86538100527431 is a wasteful number, since it uses less digits than its factorization.

86538100527431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12362585789640.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 86538100527431 in words is "eighty-six trillion, five hundred thirty-eight billion, one hundred million, five hundred twenty-seven thousand, four hundred thirty-one".