86178764652 has 48 divisors (see below), whose sum is σ = 204542150400. Its totient is φ = 28232441920.

The previous prime is 86178764647. The next prime is 86178764677. The reversal of 86178764652 is 25646787168.

It is a super-2 number, since 2×86178764652² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3436174 + ... + 3461162.

It is an arithmetic number, because the mean of its divisors is an integer number (4261294800).

Almost surely, 2^86178764652 is an apocalyptic number.

It is an amenable number.

86178764652 is an abundant number, since it is smaller than the sum of its proper divisors (118363385748).

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

86178764652 is a wasteful number, since it uses less digits than its factorization.

86178764652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29926 (or 29924 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 86178764652 in words is "eighty-six billion, one hundred seventy-eight million, seven hundred sixty-four thousand, six hundred fifty-two".