86047477 has 2 divisors, whose sum is σ = 86047478. Its totient is φ = 86047476.

The previous prime is 86047469. The next prime is 86047483. The reversal of 86047477 is 77474068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86007076 + 40401 = 9274^2 + 201^2 .

It is a cyclic number.

It is not a de Polignac number, because 86047477 - 2³ = 86047469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86047427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43023738 + 43023739.

It is an arithmetic number, because the mean of its divisors is an integer number (43023739).

Almost surely, 2^86047477 is an apocalyptic number.

It is an amenable number.

86047477 is a deficient number, since it is larger than the sum of its proper divisors (1).

86047477 is an equidigital number, since it uses as much as digits as its factorization.

86047477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 86047477 is about 9276.1779305919. The cubic root of 86047477 is about 441.4817075472.

The spelling of 86047477 in words is "eighty-six million, forty-seven thousand, four hundred seventy-seven".