86683951 has 2 divisors, whose sum is σ = 86683952. Its totient is φ = 86683950.

The previous prime is 86683943. The next prime is 86683973. The reversal of 86683951 is 15938668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86683951 - 2³ = 86683943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86683981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43341975 + 43341976.

It is an arithmetic number, because the mean of its divisors is an integer number (43341976).

Almost surely, 2^86683951 is an apocalyptic number.

86683951 is a deficient number, since it is larger than the sum of its proper divisors (1).

86683951 is an equidigital number, since it uses as much as digits as its factorization.

86683951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 86683951 is about 9310.4216338467. The cubic root of 86683951 is about 442.5675486058.

The spelling of 86683951 in words is "eighty-six million, six hundred eighty-three thousand, nine hundred fifty-one".