2590970987 has 4 divisors (see below), whose sum is σ = 2826513816. Its totient is φ = 2355428160.

The previous prime is 2590970971. The next prime is 2590971023. The reversal of 2590970987 is 7890790952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2590970987 - 2⁴ = 2590970971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2590970947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117771398 + ... + 117771419.

It is an arithmetic number, because the mean of its divisors is an integer number (706628454).

Almost surely, 2^2590970987 is an apocalyptic number.

2590970987 is a deficient number, since it is larger than the sum of its proper divisors (235542829).

2590970987 is a wasteful number, since it uses less digits than its factorization.

2590970987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235542828.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The square root of 2590970987 is about 50901.5813801497. The cubic root of 2590970987 is about 1373.4752883250.

The spelling of 2590970987 in words is "two billion, five hundred ninety million, nine hundred seventy thousand, nine hundred eighty-seven".