85926931 has 2 divisors, whose sum is σ = 85926932. Its totient is φ = 85926930.

The previous prime is 85926899. The next prime is 85926977. The reversal of 85926931 is 13962958.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85926931 - 2⁵ = 85926899 is a prime.

It is a super-2 number, since 2×85926931² = 14766874942157522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85926031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42963465 + 42963466.

It is an arithmetic number, because the mean of its divisors is an integer number (42963466).

Almost surely, 2^85926931 is an apocalyptic number.

85926931 is a deficient number, since it is larger than the sum of its proper divisors (1).

85926931 is an equidigital number, since it uses as much as digits as its factorization.

85926931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 85926931 is about 9269.6780418739. The cubic root of 85926931 is about 441.2754503854.

The spelling of 85926931 in words is "eighty-five million, nine hundred twenty-six thousand, nine hundred thirty-one".