7886844145 has 8 divisors (see below), whose sum is σ = 9538735104. Its totient is φ = 6259793904.

The previous prime is 7886844143. The next prime is 7886844151. The reversal of 7886844145 is 5414486887.

7886844145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7886844145 - 2¹ = 7886844143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7886844143) 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, 6209479 + ... + 6210748.

It is an arithmetic number, because the mean of its divisors is an integer number (1192341888).

Almost surely, 2^7886844145 is an apocalyptic number.

It is an amenable number.

7886844145 is a deficient number, since it is larger than the sum of its proper divisors (1651890959).

7886844145 is a wasteful number, since it uses less digits than its factorization.

7886844145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420359.

The product of its digits is 6881280, while the sum is 55.

The square root of 7886844145 is about 88807.9058699168. The cubic root of 7886844145 is about 1990.5255335326.

The spelling of 7886844145 in words is "seven billion, eight hundred eighty-six million, eight hundred forty-four thousand, one hundred forty-five".