90838055071 has 6 divisors (see below), whose sum is σ = 93862840416. Its totient is φ = 87907794300.

The previous prime is 90838055047. The next prime is 90838055101. The reversal of 90838055071 is 17055083809.

It is not a de Polignac number, because 90838055071 - 2⁷ = 90838054943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90838055041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47261295 + ... + 47263216.

It is an arithmetic number, because the mean of its divisors is an integer number (15643806736).

Almost surely, 2^90838055071 is an apocalyptic number.

90838055071 is a deficient number, since it is larger than the sum of its proper divisors (3024785345).

90838055071 is an equidigital number, since it uses as much as digits as its factorization.

90838055071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94524573 (or 94524542 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 90838055071 in words is "ninety billion, eight hundred thirty-eight million, fifty-five thousand, seventy-one".