86273458637 has 2 divisors, whose sum is σ = 86273458638. Its totient is φ = 86273458636.

The previous prime is 86273458541. The next prime is 86273458639. The reversal of 86273458637 is 73685437268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75657453481 + 10616005156 = 275059^2 + 103034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86273458637 is a prime.

Together with 86273458639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86273458639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43136729318 + 43136729319.

It is an arithmetic number, because the mean of its divisors is an integer number (43136729319).

Almost surely, 2^86273458637 is an apocalyptic number.

It is an amenable number.

86273458637 is a deficient number, since it is larger than the sum of its proper divisors (1).

86273458637 is an equidigital number, since it uses as much as digits as its factorization.

86273458637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 59.

The spelling of 86273458637 in words is "eighty-six billion, two hundred seventy-three million, four hundred fifty-eight thousand, six hundred thirty-seven".