86369477 has 2 divisors, whose sum is σ = 86369478. Its totient is φ = 86369476.

The previous prime is 86369471. The next prime is 86369513. The reversal of 86369477 is 77496368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70576801 + 15792676 = 8401^2 + 3974^2 .

It is a cyclic number.

It is not a de Polignac number, because 86369477 - 2¹² = 86365381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86369471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43184738 + 43184739.

It is an arithmetic number, because the mean of its divisors is an integer number (43184739).

Almost surely, 2^86369477 is an apocalyptic number.

It is an amenable number.

86369477 is a deficient number, since it is larger than the sum of its proper divisors (1).

86369477 is an equidigital number, since it uses as much as digits as its factorization.

86369477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The square root of 86369477 is about 9293.5180098819. The cubic root of 86369477 is about 442.0317145879.

The spelling of 86369477 in words is "eighty-six million, three hundred sixty-nine thousand, four hundred seventy-seven".