2799889087 has 2 divisors, whose sum is σ = 2799889088. Its totient is φ = 2799889086.

The previous prime is 2799888997. The next prime is 2799889091. The reversal of 2799889087 is 7809889972.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2799889087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2799889387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399944543 + 1399944544.

It is an arithmetic number, because the mean of its divisors is an integer number (1399944544).

Almost surely, 2^2799889087 is an apocalyptic number.

2799889087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2799889087 is an equidigital number, since it uses as much as digits as its factorization.

2799889087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 67.

The square root of 2799889087 is about 52913.9781815732. The cubic root of 2799889087 is about 1409.4411357614.

The spelling of 2799889087 in words is "two billion, seven hundred ninety-nine million, eight hundred eighty-nine thousand, eighty-seven".