86951 has 2 divisors, whose sum is σ = 86952. Its totient is φ = 86950.

The previous prime is 86939. The next prime is 86959. The reversal of 86951 is 15968.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86951 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86951.

It is not a weakly prime, because it can be changed into another prime (86959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43475 + 43476.

It is an arithmetic number, because the mean of its divisors is an integer number (43476).

2⁸⁶⁹⁵¹ is an apocalyptic number.

86951 is a deficient number, since it is larger than the sum of its proper divisors (1).

86951 is an equidigital number, since it uses as much as digits as its factorization.

86951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 29.

The square root of 86951 is about 294.8745495969. The cubic root of 86951 is about 44.3021558296.

The spelling of 86951 in words is "eighty-six thousand, nine hundred fifty-one".