2487200991 has 32 divisors (see below), whose sum is σ = 3723632640. Its totient is φ = 1463896800.

The previous prime is 2487200987. The next prime is 2487200993. The reversal of 2487200991 is 1990027842.

It is not a de Polignac number, because 2487200991 - 2² = 2487200987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487200993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153906 + ... + 169296.

It is an arithmetic number, because the mean of its divisors is an integer number (116363520).

Almost surely, 2^2487200991 is an apocalyptic number.

2487200991 is a deficient number, since it is larger than the sum of its proper divisors (1236431649).

2487200991 is a wasteful number, since it uses less digits than its factorization.

2487200991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15547.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 2487200991 is about 49871.8456746890. The cubic root of 2487200991 is about 1354.8887207716. Note that the first 3 decimals are identical.

The spelling of 2487200991 in words is "two billion, four hundred eighty-seven million, two hundred thousand, nine hundred ninety-one".