52397729768 has 16 divisors (see below), whose sum is σ = 98345702880. Its totient is φ = 26172209008.

The previous prime is 52397729737. The next prime is 52397729809. The reversal of 52397729768 is 86792779325.

It is a super-4 number, since 4×52397729768⁴ (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3323630 + ... + 3339357.

It is an arithmetic number, because the mean of its divisors is an integer number (6146606430).

Almost surely, 2^52397729768 is an apocalyptic number.

It is an amenable number.

52397729768 is a deficient number, since it is larger than the sum of its proper divisors (45947973112).

52397729768 is a wasteful number, since it uses less digits than its factorization.

52397729768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663976 (or 6663972 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 65.

The spelling of 52397729768 in words is "fifty-two billion, three hundred ninety-seven million, seven hundred twenty-nine thousand, seven hundred sixty-eight".