2513940878 has 16 divisors (see below), whose sum is σ = 3826548864. Its totient is φ = 1238448120.

The previous prime is 2513940851. The next prime is 2513940883. The reversal of 2513940878 is 8780493152.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248801 + ... + 258707.

It is an arithmetic number, because the mean of its divisors is an integer number (239159304).

Almost surely, 2^2513940878 is an apocalyptic number.

2513940878 is a deficient number, since it is larger than the sum of its proper divisors (1312607986).

2513940878 is a wasteful number, since it uses less digits than its factorization.

2513940878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2513940878 is about 50139.2149719159. The cubic root of 2513940878 is about 1359.7268911656.

The spelling of 2513940878 in words is "two billion, five hundred thirteen million, nine hundred forty thousand, eight hundred seventy-eight".