7822874109 has 4 divisors (see below), whose sum is σ = 10430498816. Its totient is φ = 5215249404.

The previous prime is 7822874039. The next prime is 7822874113. The reversal of 7822874109 is 9014782287.

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 not a de Polignac number, because 7822874109 - 2¹⁷ = 7822743037 is a prime.

It is a super-2 number, since 2×7822874109² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7822874509) 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, 1303812349 + ... + 1303812354.

It is an arithmetic number, because the mean of its divisors is an integer number (2607624704).

Almost surely, 2^7822874109 is an apocalyptic number.

It is an amenable number.

7822874109 is a deficient number, since it is larger than the sum of its proper divisors (2607624707).

7822874109 is a wasteful number, since it uses less digits than its factorization.

7822874109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607624706.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 7822874109 is about 88447.0130021359. The cubic root of 7822874109 is about 1985.1292129741.

The spelling of 7822874109 in words is "seven billion, eight hundred twenty-two million, eight hundred seventy-four thousand, one hundred nine".