99772679941 has 16 divisors (see below), whose sum is σ = 116125213248. Its totient is φ = 84715321600.

The previous prime is 99772679891. The next prime is 99772679947. The reversal of 99772679941 is 14997627799.

It is a cyclic number.

It is not a de Polignac number, because 99772679941 - 2⁹ = 99772679429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99772679947) 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, 2011930 + ... + 2060923.

It is an arithmetic number, because the mean of its divisors is an integer number (7257825828).

Almost surely, 2^99772679941 is an apocalyptic number.

It is an amenable number.

99772679941 is a deficient number, since it is larger than the sum of its proper divisors (16352533307).

99772679941 is a wasteful number, since it uses less digits than its factorization.

99772679941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073012.

The product of its digits is 108020304, while the sum is 70.

The spelling of 99772679941 in words is "ninety-nine billion, seven hundred seventy-two million, six hundred seventy-nine thousand, nine hundred forty-one".