90972886213 has 8 divisors (see below), whose sum is σ = 99339420096. Its totient is φ = 82622397600.

The previous prime is 90972886189. The next prime is 90972886237. The reversal of 90972886213 is 31268827909.

It is an interprime number because it is at equal distance from previous prime (90972886189) and next prime (90972886237).

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

It is a cyclic number.

It is not a de Polignac number, because 90972886213 - 2⁹ = 90972885701 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 (90972884213) 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, 3999456 + ... + 4022137.

It is an arithmetic number, because the mean of its divisors is an integer number (12417427512).

Almost surely, 2^90972886213 is an apocalyptic number.

It is an amenable number.

90972886213 is a deficient number, since it is larger than the sum of its proper divisors (8366533883).

90972886213 is a wasteful number, since it uses less digits than its factorization.

90972886213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022635.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 90972886213 in words is "ninety billion, nine hundred seventy-two million, eight hundred eighty-six thousand, two hundred thirteen".