2099987097 has 16 divisors (see below), whose sum is σ = 3060375360. Its totient is φ = 1273010112.

The previous prime is 2099987053. The next prime is 2099987107. The reversal of 2099987097 is 7907899902.

It is a happy number.

It is not a de Polignac number, because 2099987097 - 2¹⁶ = 2099921561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2099987097.

It is not an unprimeable number, because it can be changed into a prime (2099987017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399222 + ... + 404447.

It is an arithmetic number, because the mean of its divisors is an integer number (191273460).

Almost surely, 2^2099987097 is an apocalyptic number.

It is an amenable number.

2099987097 is a deficient number, since it is larger than the sum of its proper divisors (960388263).

2099987097 is a wasteful number, since it uses less digits than its factorization.

2099987097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803752.

The product of its (nonzero) digits is 5143824, while the sum is 60.

The square root of 2099987097 is about 45825.6161660703. The cubic root of 2099987097 is about 1280.5765422340.

The spelling of 2099987097 in words is "two billion, ninety-nine million, nine hundred eighty-seven thousand, ninety-seven".