99876036779 has 8 divisors (see below), whose sum is σ = 105980501088. Its totient is φ = 93797061760.

The previous prime is 99876036739. The next prime is 99876036781. The reversal of 99876036779 is 97763067899.

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 99876036779 - 2⁸ = 99876036523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99876036739) 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, 6364247 + ... + 6379920.

It is an arithmetic number, because the mean of its divisors is an integer number (13247562636).

Almost surely, 2^99876036779 is an apocalyptic number.

99876036779 is a deficient number, since it is larger than the sum of its proper divisors (6104464309).

99876036779 is a wasteful number, since it uses less digits than its factorization.

99876036779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744645.

The product of its (nonzero) digits is 216040608, while the sum is 71.

The spelling of 99876036779 in words is "ninety-nine billion, eight hundred seventy-six million, thirty-six thousand, seven hundred seventy-nine".