2587078670 has 32 divisors (see below), whose sum is σ = 5083827840. Its totient is φ = 940062240.

The previous prime is 2587078667. The next prime is 2587078679. The reversal of 2587078670 is 768707852.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587078679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155201 + ... + 171059.

It is an arithmetic number, because the mean of its divisors is an integer number (158869620).

Almost surely, 2^2587078670 is an apocalyptic number.

2587078670 is a deficient number, since it is larger than the sum of its proper divisors (2496749170).

2587078670 is a wasteful number, since it uses less digits than its factorization.

2587078670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17360.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The square root of 2587078670 is about 50863.3332568757. Note that the first 3 decimals coincide. The cubic root of 2587078670 is about 1372.7871704330.

The spelling of 2587078670 in words is "two billion, five hundred eighty-seven million, seventy-eight thousand, six hundred seventy".