2807135728 has 20 divisors (see below), whose sum is σ = 5458468840. Its totient is φ = 1398498624.

The previous prime is 2807135687. The next prime is 2807135731. The reversal of 2807135728 is 8275317082.

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, 312258 + ... + 321121.

It is an arithmetic number, because the mean of its divisors is an integer number (272923442).

Almost surely, 2^2807135728 is an apocalyptic number.

It is an amenable number.

2807135728 is a deficient number, since it is larger than the sum of its proper divisors (2651333112).

2807135728 is a wasteful number, since it uses less digits than its factorization.

2807135728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633664 (or 633658 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 2807135728 is about 52982.4096092279. The cubic root of 2807135728 is about 1410.6560547076.

The spelling of 2807135728 in words is "two billion, eight hundred seven million, one hundred thirty-five thousand, seven hundred twenty-eight".