2628532775 has 48 divisors (see below), whose sum is σ = 3782088288. Its totient is φ = 1790976000.

The previous prime is 2628532771. The next prime is 2628532787. The reversal of 2628532775 is 5772358262.

2628532775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2628532775 - 2² = 2628532771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628532771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1125509 + ... + 1127841.

It is an arithmetic number, because the mean of its divisors is an integer number (78793506).

Almost surely, 2^2628532775 is an apocalyptic number.

2628532775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2628532775 is a deficient number, since it is larger than the sum of its proper divisors (1153555513).

2628532775 is a wasteful number, since it uses less digits than its factorization.

2628532775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612 (or 2607 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 47.

The square root of 2628532775 is about 51269.2185916657. The cubic root of 2628532775 is about 1380.0806462357.

The spelling of 2628532775 in words is "two billion, six hundred twenty-eight million, five hundred thirty-two thousand, seven hundred seventy-five".