90035815679 has 8 divisors (see below), whose sum is σ = 95152135680. Its totient is φ = 84957255000.

The previous prime is 90035815669. The next prime is 90035815687. The reversal of 90035815679 is 97651853009.

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 90035815679 - 2⁸ = 90035815423 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 90035815679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90035815669) 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, 9434927 + ... + 9444464.

It is an arithmetic number, because the mean of its divisors is an integer number (11894016960).

Almost surely, 2^90035815679 is an apocalyptic number.

90035815679 is a deficient number, since it is larger than the sum of its proper divisors (5116320001).

90035815679 is a wasteful number, since it uses less digits than its factorization.

90035815679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879661.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 90035815679 in words is "ninety billion, thirty-five million, eight hundred fifteen thousand, six hundred seventy-nine".