90321875037 has 24 divisors (see below), whose sum is σ = 135485400960. Its totient is φ = 60130835676.

The previous prime is 90321875023. The next prime is 90321875051. The reversal of 90321875037 is 73057812309.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (90321875023) and next prime (90321875051).

It is not a de Polignac number, because 90321875037 - 2⁸ = 90321874781 is a prime.

It is a super-2 number, since 2×90321875037² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90321874983 and 90321875001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90321871037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125621164 + ... + 125621882.

It is an arithmetic number, because the mean of its divisors is an integer number (5645225040).

Almost surely, 2^90321875037 is an apocalyptic number.

It is an amenable number.

90321875037 is a deficient number, since it is larger than the sum of its proper divisors (45163525923).

90321875037 is an frugal number, since it uses more digits than its factorization.

90321875037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 90321875037 in words is "ninety billion, three hundred twenty-one million, eight hundred seventy-five thousand, thirty-seven".