90999125735 has 24 divisors (see below), whose sum is σ = 127806716016. Its totient is φ = 62016554880.

The previous prime is 90999125731. The next prime is 90999125741. The reversal of 90999125735 is 53752199909.

It is not a de Polignac number, because 90999125735 - 2² = 90999125731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90999125731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099406 + ... + 1179275.

It is an arithmetic number, because the mean of its divisors is an integer number (5325279834).

Almost surely, 2^90999125735 is an apocalyptic number.

90999125735 is a deficient number, since it is larger than the sum of its proper divisors (36807590281).

90999125735 is a wasteful number, since it uses less digits than its factorization.

90999125735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278863 (or 2278856 counting only the distinct ones).

The product of its (nonzero) digits is 6889050, while the sum is 59.

The spelling of 90999125735 in words is "ninety billion, nine hundred ninety-nine million, one hundred twenty-five thousand, seven hundred thirty-five".