90679330079 has 16 divisors (see below), whose sum is σ = 102529885920. Its totient is φ = 79611396480.

The previous prime is 90679330051. The next prime is 90679330117. The reversal of 90679330079 is 97003397609.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90679330079 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 90679330079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90679330279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769732 + ... + 1820249.

It is an arithmetic number, because the mean of its divisors is an integer number (6408117870).

Almost surely, 2^90679330079 is an apocalyptic number.

90679330079 is a deficient number, since it is larger than the sum of its proper divisors (11850555841).

90679330079 is a wasteful number, since it uses less digits than its factorization.

90679330079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590090.

The product of its (nonzero) digits is 1928934, while the sum is 53.

The spelling of 90679330079 in words is "ninety billion, six hundred seventy-nine million, three hundred thirty thousand, seventy-nine".