2576782172 has 12 divisors (see below), whose sum is σ = 4511594640. Its totient is φ = 1287755136.

The previous prime is 2576782081. The next prime is 2576782177. The reversal of 2576782172 is 2712876752.

2576782172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2576782177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149813 + ... + 166124.

It is an arithmetic number, because the mean of its divisors is an integer number (375966220).

Almost surely, 2^2576782172 is an apocalyptic number.

It is an amenable number.

2576782172 is a deficient number, since it is larger than the sum of its proper divisors (1934812468).

2576782172 is a wasteful number, since it uses less digits than its factorization.

2576782172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317980 (or 317978 counting only the distinct ones).

The product of its digits is 658560, while the sum is 47.

The square root of 2576782172 is about 50762.0150506262. The cubic root of 2576782172 is about 1370.9635312505.

The spelling of 2576782172 in words is "two billion, five hundred seventy-six million, seven hundred eighty-two thousand, one hundred seventy-two".