90655815682793 has 8 divisors (see below), whose sum is σ = 96371997913920. Its totient is φ = 85034115802800.

The previous prime is 90655815682763. The next prime is 90655815682801. The reversal of 90655815682793 is 39728651855609.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90655815682793 is a prime.

It is a super-2 number, since 2×90655815682793² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90655815682793.

It is not an unprimeable number, because it can be changed into a prime (90655815682763) 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, 23620585805 + ... + 23620589642.

It is an arithmetic number, because the mean of its divisors is an integer number (12046499739240).

Almost surely, 2^{90655815682793} is an apocalyptic number.

It is an amenable number.

90655815682793 is a deficient number, since it is larger than the sum of its proper divisors (5716182231127).

90655815682793 is a wasteful number, since it uses less digits than its factorization.

90655815682793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47241175567.

The product of its (nonzero) digits is 979776000, while the sum is 74.

The spelling of 90655815682793 in words is "ninety trillion, six hundred fifty-five billion, eight hundred fifteen million, six hundred eighty-two thousand, seven hundred ninety-three".