2587165399 has 48 divisors (see below), whose sum is σ = 3297162240. Its totient is φ = 1986940800.

The previous prime is 2587165363. The next prime is 2587165409. The reversal of 2587165399 is 9935617852.

It is not a de Polignac number, because 2587165399 - 2⁷ = 2587165271 is a prime.

It is a Duffinian number.

Its product of digits (4082400) is a multiple of the sum of its prime factors (560).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587165199) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7049314 + ... + 7049680.

It is an arithmetic number, because the mean of its divisors is an integer number (68690880).

Almost surely, 2^2587165399 is an apocalyptic number.

2587165399 is a deficient number, since it is larger than the sum of its proper divisors (709996841).

2587165399 is a wasteful number, since it uses less digits than its factorization.

2587165399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 547 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The square root of 2587165399 is about 50864.1858187074. The cubic root of 2587165399 is about 1372.8025106608.

The spelling of 2587165399 in words is "two billion, five hundred eighty-seven million, one hundred sixty-five thousand, three hundred ninety-nine".