7816879850 has 48 divisors (see below), whose sum is σ = 15812972280. Its totient is φ = 2857632000.

The previous prime is 7816879823. The next prime is 7816879853. The reversal of 7816879850 is 589786187.

It can be written as a sum of positive squares in 12 ways, for example, as 219839929 + 7597039921 = 14827^2 + 87161^2 .

It is a super-2 number, since 2×7816879850² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7816879850.

It is not an unprimeable number, because it can be changed into a prime (7816879853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6116 + ... + 125184.

Almost surely, 2^7816879850 is an apocalyptic number.

7816879850 is an abundant number, since it is smaller than the sum of its proper divisors (7996092430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7816879850 is a wasteful number, since it uses less digits than its factorization.

7816879850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119195 (or 119190 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 59.

The square root of 7816879850 is about 88413.1203498666. The cubic root of 7816879850 is about 1984.6220498748.

The spelling of 7816879850 in words is "seven billion, eight hundred sixteen million, eight hundred seventy-nine thousand, eight hundred fifty".