2508781164 has 24 divisors (see below), whose sum is σ = 5989959360. Its totient is φ = 816812304.

The previous prime is 2508781151. The next prime is 2508781183. The reversal of 2508781164 is 4611878052.

2508781164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2430474 + ... + 2431505.

It is an arithmetic number, because the mean of its divisors is an integer number (249581640).

Almost surely, 2^2508781164 is an apocalyptic number.

It is an amenable number.

2508781164 is an abundant number, since it is smaller than the sum of its proper divisors (3481178196).

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

2508781164 is a wasteful number, since it uses less digits than its factorization.

2508781164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862029 (or 4862027 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 2508781164 is about 50087.7346662833. The cubic root of 2508781164 is about 1358.7960011757.

The spelling of 2508781164 in words is "two billion, five hundred eight million, seven hundred eighty-one thousand, one hundred sixty-four".