2628211157 has 16 divisors (see below), whose sum is σ = 3250201920. Its totient is φ = 2089411200.

The previous prime is 2628211153. The next prime is 2628211177. The reversal of 2628211157 is 7511128262.

It is a cyclic number.

It is not a de Polignac number, because 2628211157 - 2² = 2628211153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628211153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480944 + ... + 486377.

It is an arithmetic number, because the mean of its divisors is an integer number (203137620).

Almost surely, 2^2628211157 is an apocalyptic number.

It is an amenable number.

2628211157 is a deficient number, since it is larger than the sum of its proper divisors (621990763).

2628211157 is a wasteful number, since it uses less digits than its factorization.

2628211157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967364.

The product of its digits is 13440, while the sum is 35.

The square root of 2628211157 is about 51266.0819353303. The cubic root of 2628211157 is about 1380.0243566730.

The spelling of 2628211157 in words is "two billion, six hundred twenty-eight million, two hundred eleven thousand, one hundred fifty-seven".