86790311 has 2 divisors, whose sum is σ = 86790312. Its totient is φ = 86790310.

The previous prime is 86790299. The next prime is 86790323. The reversal of 86790311 is 11309768.

It is a balanced prime because it is at equal distance from previous prime (86790299) and next prime (86790323).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86790311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86790331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43395155 + 43395156.

It is an arithmetic number, because the mean of its divisors is an integer number (43395156).

Almost surely, 2^86790311 is an apocalyptic number.

86790311 is a deficient number, since it is larger than the sum of its proper divisors (1).

86790311 is an equidigital number, since it uses as much as digits as its factorization.

86790311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 86790311 is about 9316.1317616272. The cubic root of 86790311 is about 442.7484826965.

The spelling of 86790311 in words is "eighty-six million, seven hundred ninety thousand, three hundred eleven".