2787845413 has 4 divisors (see below), whose sum is σ = 2788468480. Its totient is φ = 2787222348.

The previous prime is 2787845393. The next prime is 2787845443. The reversal of 2787845413 is 3145487872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2787845413 - 2⁵ = 2787845381 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 (2787845443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304773 + ... + 313786.

It is an arithmetic number, because the mean of its divisors is an integer number (697117120).

Almost surely, 2^2787845413 is an apocalyptic number.

It is an amenable number.

2787845413 is a deficient number, since it is larger than the sum of its proper divisors (623067).

2787845413 is an equidigital number, since it uses as much as digits as its factorization.

2787845413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623066.

The product of its digits is 1505280, while the sum is 49.

The square root of 2787845413 is about 52800.0512594448. The cubic root of 2787845413 is about 1407.4173357263.

The spelling of 2787845413 in words is "two billion, seven hundred eighty-seven million, eight hundred forty-five thousand, four hundred thirteen".