86264942542 has 64 divisors (see below), whose sum is σ = 138009231360. Its totient is φ = 40384656000.

The previous prime is 86264942509. The next prime is 86264942587. The reversal of 86264942542 is 24524946268.

It is a happy number.

It is a super-2 number, since 2×86264942542² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86264942542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50953048 + ... + 50954740.

It is an arithmetic number, because the mean of its divisors is an integer number (2156394240).

Almost surely, 2^86264942542 is an apocalyptic number.

86264942542 is a deficient number, since it is larger than the sum of its proper divisors (51744288818).

86264942542 is a wasteful number, since it uses less digits than its factorization.

86264942542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its digits is 6635520, while the sum is 52.

The spelling of 86264942542 in words is "eighty-six billion, two hundred sixty-four million, nine hundred forty-two thousand, five hundred forty-two".