90200768999 has 16 divisors (see below), whose sum is σ = 99614067840. Its totient is φ = 80990225760.

The previous prime is 90200768981. The next prime is 90200769017. The reversal of 90200768999 is 99986700209.

It is an interprime number because it is at equal distance from previous prime (90200768981) and next prime (90200769017).

It is a cyclic number.

It is not a de Polignac number, because 90200768999 - 2⁸ = 90200768743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90200762999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3876869 + ... + 3900065.

It is an arithmetic number, because the mean of its divisors is an integer number (6225879240).

Almost surely, 2^90200768999 is an apocalyptic number.

90200768999 is a deficient number, since it is larger than the sum of its proper divisors (9413298841).

90200768999 is a wasteful number, since it uses less digits than its factorization.

90200768999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The spelling of 90200768999 in words is "ninety billion, two hundred million, seven hundred sixty-eight thousand, nine hundred ninety-nine".