2628858387 has 8 divisors (see below), whose sum is σ = 3505567680. Its totient is φ = 1752360680.

The previous prime is 2628858367. The next prime is 2628858413. The reversal of 2628858387 is 7838588262.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2628858387 - 2¹⁹ = 2628334099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2628858367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21189 + ... + 75542.

It is an arithmetic number, because the mean of its divisors is an integer number (438195960).

Almost surely, 2^2628858387 is an apocalyptic number.

2628858387 is a deficient number, since it is larger than the sum of its proper divisors (876709293).

2628858387 is an equidigital number, since it uses as much as digits as its factorization.

2628858387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105793.

The product of its digits is 10321920, while the sum is 57.

The square root of 2628858387 is about 51272.3940049614. The cubic root of 2628858387 is about 1380.1376301508.

The spelling of 2628858387 in words is "two billion, six hundred twenty-eight million, eight hundred fifty-eight thousand, three hundred eighty-seven".