90190716079 has 8 divisors (see below), whose sum is σ = 90605813760. Its totient is φ = 89775713976.

The previous prime is 90190716073. The next prime is 90190716101. The reversal of 90190716079 is 97061709109.

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 90190716079 - 2²⁹ = 89653845167 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 (90190716073) 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, 2454162 + ... + 2490640.

It is an arithmetic number, because the mean of its divisors is an integer number (11325726720).

Almost surely, 2^90190716079 is an apocalyptic number.

90190716079 is a deficient number, since it is larger than the sum of its proper divisors (415097681).

90190716079 is a wasteful number, since it uses less digits than its factorization.

90190716079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47789.

The product of its (nonzero) digits is 214326, while the sum is 49.

The spelling of 90190716079 in words is "ninety billion, one hundred ninety million, seven hundred sixteen thousand, seventy-nine".