86208136574 has 48 divisors (see below), whose sum is σ = 158410350720. Its totient is φ = 34986576240.

The previous prime is 86208136571. The next prime is 86208136577. The reversal of 86208136574 is 47563180268.

It is an interprime number because it is at equal distance from previous prime (86208136571) and next prime (86208136577).

It is a super-2 number, since 2×86208136574² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86208136571) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4919969 + ... + 4937459.

It is an arithmetic number, because the mean of its divisors is an integer number (3300215640).

Almost surely, 2^86208136574 is an apocalyptic number.

86208136574 is a deficient number, since it is larger than the sum of its proper divisors (72202214146).

86208136574 is a wasteful number, since it uses less digits than its factorization.

86208136574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20173 (or 20166 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 86208136574 in words is "eighty-six billion, two hundred eight million, one hundred thirty-six thousand, five hundred seventy-four".