8260992099 has 24 divisors (see below), whose sum is σ = 12069621200. Its totient is φ = 5444195328.

The previous prime is 8260992097. The next prime is 8260992119. The reversal of 8260992099 is 9902990628.

8260992099 is a `hidden beast` number, since 8 + 2 + 609 + 9 + 20 + 9 + 9 = 666.

It is a Cunningham number, because it is equal to 90890²-1.

It is not a de Polignac number, because 8260992099 - 2¹ = 8260992097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8260992097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812952 + ... + 823050.

Almost surely, 2^8260992099 is an apocalyptic number.

8260992099 is a deficient number, since it is larger than the sum of its proper divisors (3808629101).

8260992099 is a wasteful number, since it uses less digits than its factorization.

8260992099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11139 (or 11136 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 8260992099 is about 90889.9999944988. Note that the first 5 decimals coincide. The cubic root of 8260992099 is about 2021.5170203349.

The spelling of 8260992099 in words is "eight billion, two hundred sixty million, nine hundred ninety-two thousand, ninety-nine".