7257127678 has 16 divisors (see below), whose sum is σ = 11265900480. Its totient is φ = 3501935136.

The previous prime is 7257127663. The next prime is 7257127679. The reversal of 7257127678 is 8767217527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7257127679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115675 + ... + 167017.

It is an arithmetic number, because the mean of its divisors is an integer number (704118780).

Almost surely, 2^7257127678 is an apocalyptic number.

7257127678 is a deficient number, since it is larger than the sum of its proper divisors (4008772802).

7257127678 is a wasteful number, since it uses less digits than its factorization.

7257127678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53811.

The product of its digits is 2304960, while the sum is 52.

The square root of 7257127678 is about 85188.7767138371. The cubic root of 7257127678 is about 1936.0723737757.

The spelling of 7257127678 in words is "seven billion, two hundred fifty-seven million, one hundred twenty-seven thousand, six hundred seventy-eight".