86695397 has 2 divisors, whose sum is σ = 86695398. Its totient is φ = 86695396.

The previous prime is 86695369. The next prime is 86695417. The reversal of 86695397 is 79359668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86694721 + 676 = 9311^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 86695397 - 2²² = 82501093 is a prime.

It is a super-3 number, since 3×86695397³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86695337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43347698 + 43347699.

It is an arithmetic number, because the mean of its divisors is an integer number (43347699).

Almost surely, 2^86695397 is an apocalyptic number.

It is an amenable number.

86695397 is a deficient number, since it is larger than the sum of its proper divisors (1).

86695397 is an equidigital number, since it uses as much as digits as its factorization.

86695397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 86695397 is about 9311.0363010784. The cubic root of 86695397 is about 442.5870270488.

The spelling of 86695397 in words is "eighty-six million, six hundred ninety-five thousand, three hundred ninety-seven".