86155049574 has 32 divisors (see below), whose sum is σ = 208860727680. Its totient is φ = 26107590600.

The previous prime is 86155049549. The next prime is 86155049579. The reversal of 86155049574 is 47594055168.

It is a happy number.

86155049574 is a `hidden beast` number, since 8 + 6 + 15 + 50 + 4 + 9 + 574 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 86155049574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86155049579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72520492 + ... + 72521679.

It is an arithmetic number, because the mean of its divisors is an integer number (6526897740).

Almost surely, 2^86155049574 is an apocalyptic number.

86155049574 is an abundant number, since it is smaller than the sum of its proper divisors (122705678106).

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

86155049574 is a wasteful number, since it uses less digits than its factorization.

86155049574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145042193 (or 145042187 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 86155049574 in words is "eighty-six billion, one hundred fifty-five million, forty-nine thousand, five hundred seventy-four".