7863187413 has 16 divisors (see below), whose sum is σ = 10530938880. Its totient is φ = 5218807344.

The previous prime is 7863187393. The next prime is 7863187421. The reversal of 7863187413 is 3147813687.

It is not a de Polignac number, because 7863187413 - 2²¹ = 7861090261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7863182413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004468 + ... + 2008386.

It is an arithmetic number, because the mean of its divisors is an integer number (658183680).

Almost surely, 2^7863187413 is an apocalyptic number.

It is an amenable number.

7863187413 is a deficient number, since it is larger than the sum of its proper divisors (2667751467).

7863187413 is a wasteful number, since it uses less digits than its factorization.

7863187413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728.

The product of its digits is 677376, while the sum is 48.

The square root of 7863187413 is about 88674.6153811788. The cubic root of 7863187413 is about 1988.5333345153.

The spelling of 7863187413 in words is "seven billion, eight hundred sixty-three million, one hundred eighty-seven thousand, four hundred thirteen".