7850888813 has 8 divisors (see below), whose sum is σ = 8515455480. Its totient is φ = 7208849920.

The previous prime is 7850888807. The next prime is 7850889001. The reversal of 7850888813 is 3188880587.

It is a happy number.

7850888813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 495596644 + 7355292169 = 22262^2 + 85763^2 .

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 7850888813 - 2²⁸ = 7582453357 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 (7850888803) 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, 5631218 + ... + 5632611.

It is an arithmetic number, because the mean of its divisors is an integer number (1064431935).

Almost surely, 2^7850888813 is an apocalyptic number.

It is an amenable number.

7850888813 is a deficient number, since it is larger than the sum of its proper divisors (664566667).

7850888813 is a wasteful number, since it uses less digits than its factorization.

7850888813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263887.

The product of its (nonzero) digits is 3440640, while the sum is 56.

The square root of 7850888813 is about 88605.2414533136. The cubic root of 7850888813 is about 1987.4960563613.

The spelling of 7850888813 in words is "seven billion, eight hundred fifty million, eight hundred eighty-eight thousand, eight hundred thirteen".