86767290637 has 2 divisors, whose sum is σ = 86767290638. Its totient is φ = 86767290636.

The previous prime is 86767290611. The next prime is 86767290791. The reversal of 86767290637 is 73609276768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85621197321 + 1146093316 = 292611^2 + 33854^2 .

It is a cyclic number.

It is not a de Polignac number, because 86767290637 - 2¹⁹ = 86766766349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86767293637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43383645318 + 43383645319.

It is an arithmetic number, because the mean of its divisors is an integer number (43383645319).

Almost surely, 2^86767290637 is an apocalyptic number.

It is an amenable number.

86767290637 is a deficient number, since it is larger than the sum of its proper divisors (1).

86767290637 is an equidigital number, since it uses as much as digits as its factorization.

86767290637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32006016, while the sum is 61.

The spelling of 86767290637 in words is "eighty-six billion, seven hundred sixty-seven million, two hundred ninety thousand, six hundred thirty-seven".