90297690327937 has 4 divisors (see below), whose sum is σ = 90298043928576. Its totient is φ = 90297336727300.

The previous prime is 90297690327829. The next prime is 90297690327983. The reversal of 90297690327937 is 73972309679209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90297690327937 - 2⁷ = 90297690327809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90297690327937.

It is not an unprimeable number, because it can be changed into a prime (90297690327337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176416993 + ... + 176928094.

It is an arithmetic number, because the mean of its divisors is an integer number (22574510982144).

Almost surely, 2^{90297690327937} is an apocalyptic number.

It is an amenable number.

90297690327937 is a deficient number, since it is larger than the sum of its proper divisors (353600639).

90297690327937 is a wasteful number, since it uses less digits than its factorization.

90297690327937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353600638.

The product of its (nonzero) digits is 486091368, while the sum is 73.

The spelling of 90297690327937 in words is "ninety trillion, two hundred ninety-seven billion, six hundred ninety million, three hundred twenty-seven thousand, nine hundred thirty-seven".