86554399842 has 12 divisors (see below), whose sum is σ = 187534533030. Its totient is φ = 28851466608.

The previous prime is 86554399829. The next prime is 86554399859. The reversal of 86554399842 is 24899345568.

86554399842 is a `hidden beast` number, since 8 + 6 + 5 + 543 + 9 + 9 + 84 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66475793241 + 20078606601 = 257829^2 + 141699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86554399842.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2404288867 + ... + 2404288902.

Almost surely, 2^86554399842 is an apocalyptic number.

86554399842 is an abundant number, since it is smaller than the sum of its proper divisors (100980133188).

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

86554399842 is a wasteful number, since it uses less digits than its factorization.

86554399842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808577777 (or 4808577774 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 86554399842 in words is "eighty-six billion, five hundred fifty-four million, three hundred ninety-nine thousand, eight hundred forty-two".