7944522938 has 8 divisors (see below), whose sum is σ = 13000128480. Its totient is φ = 3611146780.

The previous prime is 7944522931. The next prime is 7944522961. The reversal of 7944522938 is 8392254497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7944522938.

It is not an unprimeable number, because it can be changed into a prime (7944522931) 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 3 ways as a sum of consecutive naturals, for example, 180557318 + ... + 180557361.

It is an arithmetic number, because the mean of its divisors is an integer number (1625016060).

Almost surely, 2^7944522938 is an apocalyptic number.

7944522938 is a deficient number, since it is larger than the sum of its proper divisors (5055605542).

7944522938 is a wasteful number, since it uses less digits than its factorization.

7944522938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361114692.

The product of its digits is 4354560, while the sum is 53.

The square root of 7944522938 is about 89132.0533702663. The cubic root of 7944522938 is about 1995.3661836646.

The spelling of 7944522938 in words is "seven billion, nine hundred forty-four million, five hundred twenty-two thousand, nine hundred thirty-eight".