7881948297 has 8 divisors (see below), whose sum is σ = 11676960480. Its totient is φ = 5254632180.

The previous prime is 7881948259. The next prime is 7881948301. The reversal of 7881948297 is 7928491887.

7881948297 is a `hidden beast` number, since 78 + 81 + 9 + 482 + 9 + 7 = 666.

It is not a de Polignac number, because 7881948297 - 2⁶ = 7881948233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7881948197) 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 7 ways as a sum of consecutive naturals, for example, 145961979 + ... + 145962032.

It is an arithmetic number, because the mean of its divisors is an integer number (1459620060).

Almost surely, 2^7881948297 is an apocalyptic number.

It is an amenable number.

7881948297 is a deficient number, since it is larger than the sum of its proper divisors (3795012183).

7881948297 is a wasteful number, since it uses less digits than its factorization.

7881948297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291924020 (or 291924014 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 63.

The square root of 7881948297 is about 88780.3373332181. The cubic root of 7881948297 is about 1990.1135678392.

The spelling of 7881948297 in words is "seven billion, eight hundred eighty-one million, nine hundred forty-eight thousand, two hundred ninety-seven".