7942428297 has 16 divisors (see below), whose sum is σ = 11817952000. Its totient is φ = 5271826032.

The previous prime is 7942428269. The next prime is 7942428337. The reversal of 7942428297 is 7928242497.

It is a happy number.

It is not a de Polignac number, because 7942428297 - 2⁶ = 7942428233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7942428257) 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 15 ways as a sum of consecutive naturals, for example, 636097 + ... + 648462.

It is an arithmetic number, because the mean of its divisors is an integer number (738622000).

Almost surely, 2^7942428297 is an apocalyptic number.

It is an amenable number.

7942428297 is a deficient number, since it is larger than the sum of its proper divisors (3875523703).

7942428297 is a wasteful number, since it uses less digits than its factorization.

7942428297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284797 (or 1284791 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 7942428297 is about 89120.3023839125. The cubic root of 7942428297 is about 1995.1908031653.

The spelling of 7942428297 in words is "seven billion, nine hundred forty-two million, four hundred twenty-eight thousand, two hundred ninety-seven".