90083085637 has 2 divisors, whose sum is σ = 90083085638. Its totient is φ = 90083085636.

The previous prime is 90083085611. The next prime is 90083085641. The reversal of 90083085637 is 73658038009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65070397921 + 25012687716 = 255089^2 + 158154^2 .

It is a cyclic number.

It is not a de Polignac number, because 90083085637 - 2⁷ = 90083085509 is a prime.

It is a super-2 number, since 2×90083085637² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90083085647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45041542818 + 45041542819.

It is an arithmetic number, because the mean of its divisors is an integer number (45041542819).

Almost surely, 2^90083085637 is an apocalyptic number.

It is an amenable number.

90083085637 is a deficient number, since it is larger than the sum of its proper divisors (1).

90083085637 is an equidigital number, since it uses as much as digits as its factorization.

90083085637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 90083085637 in words is "ninety billion, eighty-three million, eighty-five thousand, six hundred thirty-seven".