90819217357350 has 48 divisors (see below), whose sum is σ = 225234142254480. Its totient is φ = 24218190950400.

The previous prime is 90819217357291. The next prime is 90819217357373. The reversal of 90819217357350 is 5375371291809.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10503690 + ... + 17087010.

It is an arithmetic number, because the mean of its divisors is an integer number (4692377963635).

Almost surely, 2^{90819217357350} is an apocalyptic number.

90819217357350 is an abundant number, since it is smaller than the sum of its proper divisors (134414924897130).

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

90819217357350 is a wasteful number, since it uses less digits than its factorization.

90819217357350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675305 (or 6675300 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 60.

The spelling of 90819217357350 in words is "ninety trillion, eight hundred nineteen billion, two hundred seventeen million, three hundred fifty-seven thousand, three hundred fifty".