86304074257 has 2 divisors, whose sum is σ = 86304074258. Its totient is φ = 86304074256.

The previous prime is 86304074201. The next prime is 86304074287. The reversal of 86304074257 is 75247040368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44160500736 + 42143573521 = 210144^2 + 205289^2 .

It is a cyclic number.

It is not a de Polignac number, because 86304074257 - 2¹¹ = 86304072209 is a prime.

It is not a weakly prime, because it can be changed into another prime (86304074287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43152037128 + 43152037129.

It is an arithmetic number, because the mean of its divisors is an integer number (43152037129).

Almost surely, 2^86304074257 is an apocalyptic number.

It is an amenable number.

86304074257 is a deficient number, since it is larger than the sum of its proper divisors (1).

86304074257 is an equidigital number, since it uses as much as digits as its factorization.

86304074257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 86304074257 in words is "eighty-six billion, three hundred four million, seventy-four thousand, two hundred fifty-seven".