7869457172 has 12 divisors (see below), whose sum is σ = 14031390996. Its totient is φ = 3860488320.

The previous prime is 7869457129. The next prime is 7869457181. The reversal of 7869457172 is 2717549687.

It can be written as a sum of positive squares in 2 ways, for example, as 5500298896 + 2369158276 = 74164^2 + 48674^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18559829 + ... + 18560252.

It is an arithmetic number, because the mean of its divisors is an integer number (1169282583).

Almost surely, 2^7869457172 is an apocalyptic number.

It is an amenable number.

7869457172 is a deficient number, since it is larger than the sum of its proper divisors (6161933824).

7869457172 is a wasteful number, since it uses less digits than its factorization.

7869457172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37120138 (or 37120136 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 56.

The square root of 7869457172 is about 88709.9609514061. The cubic root of 7869457172 is about 1989.0617170432.

The spelling of 7869457172 in words is "seven billion, eight hundred sixty-nine million, four hundred fifty-seven thousand, one hundred seventy-two".