7638763375 has 8 divisors (see below), whose sum is σ = 9533176848. Its totient is φ = 6111010600.

The previous prime is 7638763343. The next prime is 7638763397. The reversal of 7638763375 is 5733678367.

It is not a de Polignac number, because 7638763375 - 2⁵ = 7638763343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30554929 + ... + 30555178.

It is an arithmetic number, because the mean of its divisors is an integer number (1191647106).

Almost surely, 2^7638763375 is an apocalyptic number.

7638763375 is a deficient number, since it is larger than the sum of its proper divisors (1894413473).

7638763375 is an equidigital number, since it uses as much as digits as its factorization.

7638763375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61110122 (or 61110112 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 55.

The square root of 7638763375 is about 87400.0193077782. The cubic root of 7638763375 is about 1969.4321308076.

The spelling of 7638763375 in words is "seven billion, six hundred thirty-eight million, seven hundred sixty-three thousand, three hundred seventy-five".