86192969 has 2 divisors, whose sum is σ = 86192970. Its totient is φ = 86192968.

The previous prime is 86192929. The next prime is 86193007. The reversal of 86192969 is 96929168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82537225 + 3655744 = 9085^2 + 1912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86192969 is a prime.

It is a super-2 number, since 2×86192969² = 14858455810069922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86192929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43096484 + 43096485.

It is an arithmetic number, because the mean of its divisors is an integer number (43096485).

Almost surely, 2^86192969 is an apocalyptic number.

It is an amenable number.

86192969 is a deficient number, since it is larger than the sum of its proper divisors (1).

86192969 is an equidigital number, since it uses as much as digits as its factorization.

86192969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 50.

The square root of 86192969 is about 9284.0168569429. The cubic root of 86192969 is about 441.7303915330.

The spelling of 86192969 in words is "eighty-six million, one hundred ninety-two thousand, nine hundred sixty-nine".