99219087679 has 8 divisors (see below), whose sum is σ = 102667839120. Its totient is φ = 95772163200.

The previous prime is 99219087647. The next prime is 99219087707. The reversal of 99219087679 is 97678091299.

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 99219087679 - 2⁵ = 99219087647 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 (99219081679) 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, 345777 + ... + 563914.

It is an arithmetic number, because the mean of its divisors is an integer number (12833479890).

Almost surely, 2^99219087679 is an apocalyptic number.

99219087679 is a deficient number, since it is larger than the sum of its proper divisors (3448751441).

99219087679 is a wasteful number, since it uses less digits than its factorization.

99219087679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913481.

The product of its (nonzero) digits is 30862944, while the sum is 67.

The spelling of 99219087679 in words is "ninety-nine billion, two hundred nineteen million, eighty-seven thousand, six hundred seventy-nine".