90354797660 has 24 divisors (see below), whose sum is σ = 192031163856. Its totient is φ = 35706473600.

The previous prime is 90354797653. The next prime is 90354797671. The reversal of 90354797660 is 6679745309.

It is a junction number, because it is equal to n+sod(n) for n = 90354797596 and 90354797605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27213641 + ... + 27216960.

It is an arithmetic number, because the mean of its divisors is an integer number (8001298494).

Almost surely, 2^90354797660 is an apocalyptic number.

It is an amenable number.

90354797660 is an abundant number, since it is smaller than the sum of its proper divisors (101676366196).

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

90354797660 is a wasteful number, since it uses less digits than its factorization.

90354797660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54430693 (or 54430691 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 90354797660 in words is "ninety billion, three hundred fifty-four million, seven hundred ninety-seven thousand, six hundred sixty".