99776812266 has 24 divisors (see below), whose sum is σ = 216627020064. Its totient is φ = 33190641000.

The previous prime is 99776812259. The next prime is 99776812277. The reversal of 99776812266 is 66221867799.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5682360 + ... + 5699891.

It is an arithmetic number, because the mean of its divisors is an integer number (9026125836).

Almost surely, 2^99776812266 is an apocalyptic number.

99776812266 is an abundant number, since it is smaller than the sum of its proper divisors (116850207798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99776812266 is a wasteful number, since it uses less digits than its factorization.

99776812266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11382746 (or 11382743 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The spelling of 99776812266 in words is "ninety-nine billion, seven hundred seventy-six million, eight hundred twelve thousand, two hundred sixty-six".