2516762878 has 16 divisors (see below), whose sum is σ = 4315330944. Its totient is φ = 1078392600.

The previous prime is 2516762861. The next prime is 2516762891. The reversal of 2516762878 is 8782676152.

It is a super-4 number, since 4×2516762878⁴ (a number of 39 digits) contains 4444 as substring.

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, 66153 + ... + 97003.

It is an arithmetic number, because the mean of its divisors is an integer number (269708184).

Almost surely, 2^2516762878 is an apocalyptic number.

2516762878 is a deficient number, since it is larger than the sum of its proper divisors (1798568066).

2516762878 is a wasteful number, since it uses less digits than its factorization.

2516762878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36687.

The product of its digits is 2257920, while the sum is 52.

The square root of 2516762878 is about 50167.3487240456. The cubic root of 2516762878 is about 1360.2354836614.

The spelling of 2516762878 in words is "two billion, five hundred sixteen million, seven hundred sixty-two thousand, eight hundred seventy-eight".