2587878870 has 32 divisors (see below), whose sum is σ = 6223392000. Its totient is φ = 688714080.

The previous prime is 2587878857. The next prime is 2587878883. The reversal of 2587878870 is 788787852.

It is an interprime number because it is at equal distance from previous prime (2587878857) and next prime (2587878883).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71466 + ... + 101405.

It is an arithmetic number, because the mean of its divisors is an integer number (194481000).

Almost surely, 2^2587878870 is an apocalyptic number.

2587878870 is an abundant number, since it is smaller than the sum of its proper divisors (3635513130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2587878870 is a wasteful number, since it uses less digits than its factorization.

2587878870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173380.

The product of its (nonzero) digits is 14049280, while the sum is 60.

The square root of 2587878870 is about 50871.1988260548. The cubic root of 2587878870 is about 1372.9286931304.

The spelling of 2587878870 in words is "two billion, five hundred eighty-seven million, eight hundred seventy-eight thousand, eight hundred seventy".