99345066777 has 24 divisors (see below), whose sum is σ = 156555748128. Its totient is φ = 60204513600.

The previous prime is 99345066773. The next prime is 99345066791. The reversal of 99345066777 is 77766054399.

99345066777 is a `hidden beast` number, since 99 + 34 + 506 + 6 + 7 + 7 + 7 = 666.

It is not a de Polignac number, because 99345066777 - 2² = 99345066773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99345066773) 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 23 ways as a sum of consecutive naturals, for example, 1616502 + ... + 1676832.

It is an arithmetic number, because the mean of its divisors is an integer number (6523156172).

Almost surely, 2^99345066777 is an apocalyptic number.

It is an amenable number.

99345066777 is a deficient number, since it is larger than the sum of its proper divisors (57210681351).

99345066777 is a wasteful number, since it uses less digits than its factorization.

99345066777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76981 (or 76978 counting only the distinct ones).

The product of its (nonzero) digits is 60011280, while the sum is 63.

The spelling of 99345066777 in words is "ninety-nine billion, three hundred forty-five million, sixty-six thousand, seven hundred seventy-seven".