2872017128 has 128 divisors (see below), whose sum is σ = 6063361920. Its totient is φ = 1269596160.

The previous prime is 2872017119. The next prime is 2872017151. The reversal of 2872017128 is 8217102782.

It is a junction number, because it is equal to n+sod(n) for n = 2872017091 and 2872017100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29608376 + ... + 29608472.

It is an arithmetic number, because the mean of its divisors is an integer number (47370015).

Almost surely, 2^2872017128 is an apocalyptic number.

It is an amenable number.

2872017128 is an abundant number, since it is smaller than the sum of its proper divisors (3191344792).

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

2872017128 is a wasteful number, since it uses less digits than its factorization.

2872017128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 2872017128 is about 53591.2038304795. The cubic root of 2872017128 is about 1421.4415579488.

The spelling of 2872017128 in words is "two billion, eight hundred seventy-two million, seventeen thousand, one hundred twenty-eight".