90837822939 has 8 divisors (see below), whose sum is σ = 123694056960. Its totient is φ = 59270068776.

The previous prime is 90837822919. The next prime is 90837822961. The reversal of 90837822939 is 93922873809.

It is a happy number.

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

It is not a de Polignac number, because 90837822939 - 2¹² = 90837818843 is a prime.

It is a super-2 number, since 2×90837822939² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90837822919) 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, 322119799 + ... + 322120080.

It is an arithmetic number, because the mean of its divisors is an integer number (15461757120).

Almost surely, 2^90837822939 is an apocalyptic number.

90837822939 is a deficient number, since it is larger than the sum of its proper divisors (32856234021).

90837822939 is a wasteful number, since it uses less digits than its factorization.

90837822939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644239929.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 90837822939 in words is "ninety billion, eight hundred thirty-seven million, eight hundred twenty-two thousand, nine hundred thirty-nine".