90794823258 has 32 divisors (see below), whose sum is σ = 182246328000. Its totient is φ = 30155682816.

The previous prime is 90794823257. The next prime is 90794823293. The reversal of 90794823258 is 85232849709.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90794823198 and 90794823207.

It is not an unprimeable number, because it can be changed into a prime (90794823257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1951713 + ... + 1997691.

It is an arithmetic number, because the mean of its divisors is an integer number (5695197750).

Almost surely, 2^90794823258 is an apocalyptic number.

90794823258 is an abundant number, since it is smaller than the sum of its proper divisors (91451504742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90794823258 is a wasteful number, since it uses less digits than its factorization.

90794823258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47166.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 90794823258 in words is "ninety billion, seven hundred ninety-four million, eight hundred twenty-three thousand, two hundred fifty-eight".