2871200628 has 48 divisors (see below), whose sum is σ = 7452760000. Its totient is φ = 955921824.

The previous prime is 2871200627. The next prime is 2871200671. The reversal of 2871200628 is 8260021782.

It is a happy number.

2871200628 is a `hidden beast` number, since 2 + 8 + 7 + 1 + 20 + 0 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2871200592 and 2871200601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871200623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77298 + ... + 108246.

Almost surely, 2^2871200628 is an apocalyptic number.

It is an amenable number.

2871200628 is an abundant number, since it is smaller than the sum of its proper divisors (4581559372).

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

2871200628 is a wasteful number, since it uses less digits than its factorization.

2871200628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31821 (or 31813 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 2871200628 is about 53583.5854343473. The cubic root of 2871200628 is about 1421.3068422905.

The spelling of 2871200628 in words is "two billion, eight hundred seventy-one million, two hundred thousand, six hundred twenty-eight".