628772333875 has 32 divisors (see below), whose sum is σ = 949562490240. Its totient is φ = 405795916800.

The previous prime is 628772333863. The next prime is 628772333911. The reversal of 628772333875 is 578333277826.

It is not a de Polignac number, because 628772333875 - 2¹⁹ = 628771809587 is a prime.

It is a super-2 number, since 2×628772333875² (a number of 24 digits) contains 22 as substring.

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 in 31 ways as a sum of consecutive naturals, for example, 21120330 + ... + 21150079.

It is an arithmetic number, because the mean of its divisors is an integer number (29673827820).

Almost surely, 2^628772333875 is an apocalyptic number.

628772333875 is a deficient number, since it is larger than the sum of its proper divisors (320790156365).

628772333875 is a wasteful number, since it uses less digits than its factorization.

628772333875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42270448 (or 42270438 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 61.

The spelling of 628772333875 in words is "six hundred twenty-eight billion, seven hundred seventy-two million, three hundred thirty-three thousand, eight hundred seventy-five".