7948296138 has 16 divisors (see below), whose sum is σ = 15909233760. Its totient is φ = 2647325136.

The previous prime is 7948296077. The next prime is 7948296151. The reversal of 7948296138 is 8316928497.

It is a super-2 number, since 2×7948296138² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518545 + ... + 533652.

It is an arithmetic number, because the mean of its divisors is an integer number (994327110).

Almost surely, 2^7948296138 is an apocalyptic number.

7948296138 is an abundant number, since it is smaller than the sum of its proper divisors (7960937622).

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

7948296138 is a wasteful number, since it uses less digits than its factorization.

7948296138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053461.

The product of its digits is 5225472, while the sum is 57.

The square root of 7948296138 is about 89153.2172049893. The cubic root of 7948296138 is about 1995.6820291060.

The spelling of 7948296138 in words is "seven billion, nine hundred forty-eight million, two hundred ninety-six thousand, one hundred thirty-eight".