2097370987 has 2 divisors, whose sum is σ = 2097370988. Its totient is φ = 2097370986.

The previous prime is 2097370931. The next prime is 2097371051. The reversal of 2097370987 is 7890737902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2097370987 - 2¹⁵ = 2097338219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2097370927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048685493 + 1048685494.

It is an arithmetic number, because the mean of its divisors is an integer number (1048685494).

Almost surely, 2^2097370987 is an apocalyptic number.

2097370987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097370987 is an equidigital number, since it uses as much as digits as its factorization.

2097370987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The square root of 2097370987 is about 45797.0630826912. The cubic root of 2097370987 is about 1280.0445514685.

The spelling of 2097370987 in words is "two billion, ninety-seven million, three hundred seventy thousand, nine hundred eighty-seven".