90849112596928 has 28 divisors (see below), whose sum is σ = 206032808926192. Its totient is φ = 38935333969920.

The previous prime is 90849112596833. The next prime is 90849112596959. The reversal of 90849112596928 is 82969521194809.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×90849112596928² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101394098433 + ... + 101394099328.

Almost surely, 2^{90849112596928} is an apocalyptic number.

It is an amenable number.

90849112596928 is an abundant number, since it is smaller than the sum of its proper divisors (115183696329264).

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

90849112596928 is a wasteful number, since it uses less digits than its factorization.

90849112596928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202788197780 (or 202788197770 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 73.

The spelling of 90849112596928 in words is "ninety trillion, eight hundred forty-nine billion, one hundred twelve million, five hundred ninety-six thousand, nine hundred twenty-eight".