90755206199 has 8 divisors (see below), whose sum is σ = 104293277088. Its totient is φ = 77360395680.

The previous prime is 90755206187. The next prime is 90755206249. The reversal of 90755206199 is 99160255709.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90755206199 - 2²⁰ = 90754157623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90755206199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90755206109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35813732 + ... + 35816265.

It is an arithmetic number, because the mean of its divisors is an integer number (13036659636).

Almost surely, 2^90755206199 is an apocalyptic number.

90755206199 is a deficient number, since it is larger than the sum of its proper divisors (13538070889).

90755206199 is a wasteful number, since it uses less digits than its factorization.

90755206199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71630185.

The product of its (nonzero) digits is 1530900, while the sum is 53.

The spelling of 90755206199 in words is "ninety billion, seven hundred fifty-five million, two hundred six thousand, one hundred ninety-nine".