86510707 has 2 divisors, whose sum is σ = 86510708. Its totient is φ = 86510706.

The previous prime is 86510693. The next prime is 86510713. The reversal of 86510707 is 70701568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86510707 - 2¹⁵ = 86477939 is a prime.

It is not a weakly prime, because it can be changed into another prime (86510737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43255353 + 43255354.

It is an arithmetic number, because the mean of its divisors is an integer number (43255354).

Almost surely, 2^86510707 is an apocalyptic number.

86510707 is a deficient number, since it is larger than the sum of its proper divisors (1).

86510707 is an equidigital number, since it uses as much as digits as its factorization.

86510707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 86510707 is about 9301.1132129439. The cubic root of 86510707 is about 442.2725178011.

The spelling of 86510707 in words is "eighty-six million, five hundred ten thousand, seven hundred seven".