2572178871 has 8 divisors (see below), whose sum is σ = 3476552560. Its totient is φ = 1691295552.

The previous prime is 2572178857. The next prime is 2572178891. The reversal of 2572178871 is 1788712752.

It is a happy number.

2572178871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2572178871 is a prime.

It is a super-2 number, since 2×2572178871² = 13232208288837669282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2572178871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572178891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872336 + ... + 5872773.

It is an arithmetic number, because the mean of its divisors is an integer number (434569070).

Almost surely, 2^2572178871 is an apocalyptic number.

2572178871 is a deficient number, since it is larger than the sum of its proper divisors (904373689).

2572178871 is a wasteful number, since it uses less digits than its factorization.

2572178871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11745185.

The product of its digits is 439040, while the sum is 48.

The square root of 2572178871 is about 50716.6527976758. The cubic root of 2572178871 is about 1370.1466571825.

The spelling of 2572178871 in words is "two billion, five hundred seventy-two million, one hundred seventy-eight thousand, eight hundred seventy-one".