86275646538 has 32 divisors (see below), whose sum is σ = 185497482240. Its totient is φ = 26665259760.

The previous prime is 86275646453. The next prime is 86275646549. The reversal of 86275646538 is 83564657268.

It is a super-2 number, since 2×86275646538² (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, 8045748 + ... + 8056463.

It is an arithmetic number, because the mean of its divisors is an integer number (5796796320).

Almost surely, 2^86275646538 is an apocalyptic number.

86275646538 is an abundant number, since it is smaller than the sum of its proper divisors (99221835702).

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

86275646538 is a wasteful number, since it uses less digits than its factorization.

86275646538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102282.

The product of its digits is 58060800, while the sum is 60.

The spelling of 86275646538 in words is "eighty-six billion, two hundred seventy-five million, six hundred forty-six thousand, five hundred thirty-eight".