90615620933 has 8 divisors (see below), whose sum is σ = 95390711520. Its totient is φ = 85841115120.

The previous prime is 90615620911. The next prime is 90615620939. The reversal of 90615620933 is 33902651609.

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 90615620933 - 2⁸ = 90615620677 is a prime.

It is a super-2 number, since 2×90615620933² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90615620939) 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, 191966 + ... + 466992.

It is an arithmetic number, because the mean of its divisors is an integer number (11923838940).

Almost surely, 2^90615620933 is an apocalyptic number.

It is an amenable number.

90615620933 is a deficient number, since it is larger than the sum of its proper divisors (4775090587).

90615620933 is a wasteful number, since it uses less digits than its factorization.

90615620933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292387.

The product of its (nonzero) digits is 262440, while the sum is 44.

The spelling of 90615620933 in words is "ninety billion, six hundred fifteen million, six hundred twenty thousand, nine hundred thirty-three".