7938999148 has 24 divisors (see below), whose sum is σ = 14531973120. Its totient is φ = 3787832400.

The previous prime is 7938999127. The next prime is 7938999151. The reversal of 7938999148 is 8419998397.

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 7 ways as a sum of consecutive naturals, for example, 64428 + ... + 141523.

It is an arithmetic number, because the mean of its divisors is an integer number (605498880).

Almost surely, 2^7938999148 is an apocalyptic number.

It is an amenable number.

7938999148 is a deficient number, since it is larger than the sum of its proper divisors (6592973972).

7938999148 is a wasteful number, since it uses less digits than its factorization.

7938999148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206397 (or 206395 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 67.

The square root of 7938999148 is about 89101.0614302658. The cubic root of 7938999148 is about 1994.9036201536.

The spelling of 7938999148 in words is "seven billion, nine hundred thirty-eight million, nine hundred ninety-nine thousand, one hundred forty-eight".