872128754 has 24 divisors (see below), whose sum is σ = 1523733120. Its totient is φ = 373288776.

The previous prime is 872128721. The next prime is 872128759. The reversal of 872128754 is 457821278.

It is not an unprimeable number, because it can be changed into a prime (872128759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76919 + ... + 87525.

It is an arithmetic number, because the mean of its divisors is an integer number (63488880).

Almost surely, 2^872128754 is an apocalyptic number.

872128754 is a deficient number, since it is larger than the sum of its proper divisors (651604366).

872128754 is a wasteful number, since it uses less digits than its factorization.

872128754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11462 (or 11455 counting only the distinct ones).

The product of its digits is 250880, while the sum is 44.

The square root of 872128754 is about 29531.8261203062. The cubic root of 872128754 is about 955.4182552492.

The spelling of 872128754 in words is "eight hundred seventy-two million, one hundred twenty-eight thousand, seven hundred fifty-four".