90190655279 has 8 divisors (see below), whose sum is σ = 90279481920. Its totient is φ = 90101872800.

The previous prime is 90190655263. The next prime is 90190655293. The reversal of 90190655279 is 97255609109.

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 90190655279 - 2⁴ = 90190655263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90190655279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90190655579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5225594 + ... + 5242824.

It is an arithmetic number, because the mean of its divisors is an integer number (11284935240).

Almost surely, 2^90190655279 is an apocalyptic number.

90190655279 is a deficient number, since it is larger than the sum of its proper divisors (88826641).

90190655279 is a wasteful number, since it uses less digits than its factorization.

90190655279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22081.

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

The spelling of 90190655279 in words is "ninety billion, one hundred ninety million, six hundred fifty-five thousand, two hundred seventy-nine".