2628711285 has 32 divisors (see below), whose sum is σ = 4398243840. Its totient is φ = 1338139968.

The previous prime is 2628711277. The next prime is 2628711301. The reversal of 2628711285 is 5821178262.

It is not a de Polignac number, because 2628711285 - 2³ = 2628711277 is a prime.

It is a Curzon number.

It is a congruent number.

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, 157302 + ... + 173208.

It is an arithmetic number, because the mean of its divisors is an integer number (137445120).

Almost surely, 2^2628711285 is an apocalyptic number.

It is an amenable number.

2628711285 is a deficient number, since it is larger than the sum of its proper divisors (1769532555).

2628711285 is a wasteful number, since it uses less digits than its factorization.

2628711285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16417.

The product of its digits is 107520, while the sum is 42.

The square root of 2628711285 is about 51270.9594702498. The cubic root of 2628711285 is about 1380.1118870635. Note that the first 3 decimals are identical.

The spelling of 2628711285 in words is "two billion, six hundred twenty-eight million, seven hundred eleven thousand, two hundred eighty-five".