86929357 has 2 divisors, whose sum is σ = 86929358. Its totient is φ = 86929356.

The previous prime is 86929321. The next prime is 86929379. The reversal of 86929357 is 75392968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81198121 + 5731236 = 9011^2 + 2394^2 .

It is a cyclic number.

It is not a de Polignac number, because 86929357 - 2⁷ = 86929229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86929357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86929957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43464678 + 43464679.

It is an arithmetic number, because the mean of its divisors is an integer number (43464679).

Almost surely, 2^86929357 is an apocalyptic number.

It is an amenable number.

86929357 is a deficient number, since it is larger than the sum of its proper divisors (1).

86929357 is an equidigital number, since it uses as much as digits as its factorization.

86929357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 86929357 is about 9323.5914217645. The cubic root of 86929357 is about 442.9847977023.

The spelling of 86929357 in words is "eighty-six million, nine hundred twenty-nine thousand, three hundred fifty-seven".