7858332245 has 4 divisors (see below), whose sum is σ = 9429998700. Its totient is φ = 6286665792.

The previous prime is 7858332241. The next prime is 7858332253. The reversal of 7858332245 is 5422338587.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3446981521 + 4411350724 = 58711^2 + 66418^2 .

It is a cyclic number.

It is not a de Polignac number, because 7858332245 - 2² = 7858332241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7858332245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7858332241) 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, 785833220 + ... + 785833229.

It is an arithmetic number, because the mean of its divisors is an integer number (2357499675).

Almost surely, 2^7858332245 is an apocalyptic number.

It is an amenable number.

7858332245 is a deficient number, since it is larger than the sum of its proper divisors (1571666455).

7858332245 is a wasteful number, since it uses less digits than its factorization.

7858332245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571666454.

The product of its digits is 1612800, while the sum is 47.

The square root of 7858332245 is about 88647.2348412515. The cubic root of 7858332245 is about 1988.1239733282.

The spelling of 7858332245 in words is "seven billion, eight hundred fifty-eight million, three hundred thirty-two thousand, two hundred forty-five".