975347638 has 4 divisors (see below), whose sum is σ = 1463021460. Its totient is φ = 487673818.

The previous prime is 975347627. The next prime is 975347663. The reversal of 975347638 is 836743579.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243836908 + ... + 243836911.

It is an arithmetic number, because the mean of its divisors is an integer number (365755365).

Almost surely, 2^975347638 is an apocalyptic number.

975347638 is a deficient number, since it is larger than the sum of its proper divisors (487673822).

975347638 is a wasteful number, since it uses less digits than its factorization.

975347638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487673821.

The product of its digits is 3810240, while the sum is 52.

The square root of 975347638 is about 31230.5561589928. The cubic root of 975347638 is about 991.7140791429.

The spelling of 975347638 in words is "nine hundred seventy-five million, three hundred forty-seven thousand, six hundred thirty-eight".