90830856933525 has 24 divisors (see below), whose sum is σ = 159007429551744. Its totient is φ = 45593528185600.

The previous prime is 90830856933419. The next prime is 90830856933587. The reversal of 90830856933525 is 52533965803809.

It is not a de Polignac number, because 90830856933525 - 2³⁹ = 90281101119637 is a prime.

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, 35619942621 + ... + 35619945170.

It is an arithmetic number, because the mean of its divisors is an integer number (6625309564656).

Almost surely, 2^{90830856933525} is an apocalyptic number.

It is an amenable number.

90830856933525 is a deficient number, since it is larger than the sum of its proper divisors (68176572618219).

90830856933525 is a wasteful number, since it uses less digits than its factorization.

90830856933525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71239887821 (or 71239887816 counting only the distinct ones).

The product of its (nonzero) digits is 209952000, while the sum is 66.

The spelling of 90830856933525 in words is "ninety trillion, eight hundred thirty billion, eight hundred fifty-six million, nine hundred thirty-three thousand, five hundred twenty-five".