86254294851639 has 6 divisors (see below), whose sum is σ = 124589537007936. Its totient is φ = 57502863234420.

The previous prime is 86254294851563. The next prime is 86254294851719. The reversal of 86254294851639 is 93615849245268.

86254294851639 is a `hidden beast` number, since 8 + 6 + 2 + 54 + 29 + 4 + 8 + 516 + 39 = 666.

It is not a de Polignac number, because 86254294851639 - 2⁷ = 86254294851511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86254294851539) 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 5 ways as a sum of consecutive naturals, for example, 4791905269527 + ... + 4791905269544.

It is an arithmetic number, because the mean of its divisors is an integer number (20764922834656).

Almost surely, 2^{86254294851639} is an apocalyptic number.

86254294851639 is a deficient number, since it is larger than the sum of its proper divisors (38335242156297).

86254294851639 is a wasteful number, since it uses less digits than its factorization.

86254294851639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9583810539077 (or 9583810539074 counting only the distinct ones).

The product of its digits is 895795200, while the sum is 72.

The spelling of 86254294851639 in words is "eighty-six trillion, two hundred fifty-four billion, two hundred ninety-four million, eight hundred fifty-one thousand, six hundred thirty-nine".