7823381164 has 48 divisors (see below), whose sum is σ = 14654189088. Its totient is φ = 3641683968.

The previous prime is 7823381143. The next prime is 7823381173. The reversal of 7823381164 is 4611833287.

It is a super-2 number, since 2×7823381164² (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 7823381164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2914567 + ... + 2917249.

It is an arithmetic number, because the mean of its divisors is an integer number (305295606).

Almost surely, 2^7823381164 is an apocalyptic number.

It is an amenable number.

7823381164 is a deficient number, since it is larger than the sum of its proper divisors (6830807924).

7823381164 is a wasteful number, since it uses less digits than its factorization.

7823381164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154 (or 3152 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 7823381164 is about 88449.8793894034. The cubic root of 7823381164 is about 1985.1721020680.

The spelling of 7823381164 in words is "seven billion, eight hundred twenty-three million, three hundred eighty-one thousand, one hundred sixty-four".