7822495872 has 96 divisors (see below), whose sum is σ = 23834226780. Its totient is φ = 2454110208.

The previous prime is 7822495861. The next prime is 7822495883. The reversal of 7822495872 is 2785942287.

7822495872 is a `hidden beast` number, since 7 + 82 + 2 + 495 + 8 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (7822495861) and next prime (7822495883).

It can be written as a sum of positive squares in 2 ways, for example, as 5784515136 + 2037980736 = 76056^2 + 45144^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×7822495872² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180133 + ... + 219300.

Almost surely, 2^7822495872 is an apocalyptic number.

7822495872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7822495872 is an abundant number, since it is smaller than the sum of its proper divisors (16011730908).

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

7822495872 is a wasteful number, since it uses less digits than its factorization.

7822495872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399470 (or 399455 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 7822495872 is about 88444.8747638889. The cubic root of 7822495872 is about 1985.0972187050.

The spelling of 7822495872 in words is "seven billion, eight hundred twenty-two million, four hundred ninety-five thousand, eight hundred seventy-two".