86397677 has 2 divisors, whose sum is σ = 86397678. Its totient is φ = 86397676.

The previous prime is 86397673. The next prime is 86397691. The reversal of 86397677 is 77679368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85174441 + 1223236 = 9229^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 86397677 - 2² = 86397673 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 (86397671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43198838 + 43198839.

It is an arithmetic number, because the mean of its divisors is an integer number (43198839).

Almost surely, 2^86397677 is an apocalyptic number.

It is an amenable number.

86397677 is a deficient number, since it is larger than the sum of its proper divisors (1).

86397677 is an equidigital number, since it uses as much as digits as its factorization.

86397677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 53.

The square root of 86397677 is about 9295.0350725535. The cubic root of 86397677 is about 442.0798177619.

The spelling of 86397677 in words is "eighty-six million, three hundred ninety-seven thousand, six hundred seventy-seven".