86704497031 has 2 divisors, whose sum is σ = 86704497032. Its totient is φ = 86704497030.

The previous prime is 86704497023. The next prime is 86704497109. The reversal of 86704497031 is 13079440768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86704497031 - 2³ = 86704497023 is a prime.

It is a super-2 number, since 2×86704497031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86704497331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43352248515 + 43352248516.

It is an arithmetic number, because the mean of its divisors is an integer number (43352248516).

Almost surely, 2^86704497031 is an apocalyptic number.

86704497031 is a deficient number, since it is larger than the sum of its proper divisors (1).

86704497031 is an equidigital number, since it uses as much as digits as its factorization.

86704497031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 86704497031 in words is "eighty-six billion, seven hundred four million, four hundred ninety-seven thousand, thirty-one".