88206636731 has 2 divisors, whose sum is σ = 88206636732. Its totient is φ = 88206636730.

The previous prime is 88206636701. The next prime is 88206636767. The reversal of 88206636731 is 13763660288.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88206636731 is a prime.

It is a super-2 number, since 2×88206636731² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88206636731.

It is not a weakly prime, because it can be changed into another prime (88206636701) 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 as a sum of consecutive naturals, namely, 44103318365 + 44103318366.

It is an arithmetic number, because the mean of its divisors is an integer number (44103318366).

Almost surely, 2^88206636731 is an apocalyptic number.

88206636731 is a deficient number, since it is larger than the sum of its proper divisors (1).

88206636731 is an equidigital number, since it uses as much as digits as its factorization.

88206636731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 88206636731 in words is "eighty-eight billion, two hundred six million, six hundred thirty-six thousand, seven hundred thirty-one".