90079967689 has 8 divisors (see below), whose sum is σ = 94865557280. Its totient is φ = 85298832000.

The previous prime is 90079967683. The next prime is 90079967711. The reversal of 90079967689 is 98676997009.

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 90079967689 - 2⁵ = 90079967657 is a prime.

It is a super-3 number, since 3×90079967689³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90079967683) 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, 1071912 + ... + 1152889.

It is an arithmetic number, because the mean of its divisors is an integer number (11858194660).

Almost surely, 2^90079967689 is an apocalyptic number.

It is an amenable number.

90079967689 is a deficient number, since it is larger than the sum of its proper divisors (4785589591).

90079967689 is a wasteful number, since it uses less digits than its factorization.

90079967689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226951.

The product of its (nonzero) digits is 92588832, while the sum is 70.

The spelling of 90079967689 in words is "ninety billion, seventy-nine million, nine hundred sixty-seven thousand, six hundred eighty-nine".