90823011837 has 8 divisors (see below), whose sum is σ = 121107321504. Its totient is φ = 60543688368.

The previous prime is 90823011821. The next prime is 90823011859. The reversal of 90823011837 is 73811032809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90823011837 - 2⁴ = 90823011821 is a prime.

It is a super-2 number, since 2×90823011837² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90823011137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203838 + ... + 1277055.

It is an arithmetic number, because the mean of its divisors is an integer number (15138415188).

Almost surely, 2^90823011837 is an apocalyptic number.

It is an amenable number.

90823011837 is a deficient number, since it is larger than the sum of its proper divisors (30284309667).

90823011837 is a wasteful number, since it uses less digits than its factorization.

90823011837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493099.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 90823011837 in words is "ninety billion, eight hundred twenty-three million, eleven thousand, eight hundred thirty-seven".