86736172951 has 2 divisors, whose sum is σ = 86736172952. Its totient is φ = 86736172950.

The previous prime is 86736172937. The next prime is 86736172979. The reversal of 86736172951 is 15927163768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86736172951 - 2¹³ = 86736164759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86736172892 and 86736172901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86736172981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43368086475 + 43368086476.

It is an arithmetic number, because the mean of its divisors is an integer number (43368086476).

Almost surely, 2^86736172951 is an apocalyptic number.

86736172951 is a deficient number, since it is larger than the sum of its proper divisors (1).

86736172951 is an equidigital number, since it uses as much as digits as its factorization.

86736172951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The spelling of 86736172951 in words is "eighty-six billion, seven hundred thirty-six million, one hundred seventy-two thousand, nine hundred fifty-one".