7627243538 has 8 divisors (see below), whose sum is σ = 11484367488. Its totient is φ = 3799121044.

The previous prime is 7627243537. The next prime is 7627243553. The reversal of 7627243538 is 8353427267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7627243492 and 7627243501.

It is not an unprimeable number, because it can be changed into a prime (7627243531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7249706 + ... + 7250757.

It is an arithmetic number, because the mean of its divisors is an integer number (1435545936).

Almost surely, 2^7627243538 is an apocalyptic number.

7627243538 is a deficient number, since it is larger than the sum of its proper divisors (3857123950).

7627243538 is a wasteful number, since it uses less digits than its factorization.

7627243538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14500728.

The product of its digits is 1693440, while the sum is 47.

The square root of 7627243538 is about 87334.0914992536. The cubic root of 7627243538 is about 1968.4416148290.

The spelling of 7627243538 in words is "seven billion, six hundred twenty-seven million, two hundred forty-three thousand, five hundred thirty-eight".