86197249631 has 8 divisors (see below), whose sum is σ = 90765918720. Its totient is φ = 81631777752.

The previous prime is 86197249613. The next prime is 86197249651. The reversal of 86197249631 is 13694279168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86197249631 - 2¹⁴ = 86197233247 is a prime.

It is a super-2 number, since 2×86197249631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86197249601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 743855 + ... + 851888.

It is an arithmetic number, because the mean of its divisors is an integer number (11345739840).

Almost surely, 2^86197249631 is an apocalyptic number.

86197249631 is a deficient number, since it is larger than the sum of its proper divisors (4568669089).

86197249631 is a wasteful number, since it uses less digits than its factorization.

86197249631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598605.

The product of its digits is 3919104, while the sum is 56.

The spelling of 86197249631 in words is "eighty-six billion, one hundred ninety-seven million, two hundred forty-nine thousand, six hundred thirty-one".