628124864535 has 96 divisors (see below), whose sum is σ = 1249709834880. Its totient is φ = 285893812224.

The previous prime is 628124864519. The next prime is 628124864557. The reversal of 628124864535 is 535468421826.

628124864535 is a `hidden beast` number, since 6 + 2 + 8 + 1 + 2 + 48 + 64 + 535 = 666.

It is not a de Polignac number, because 628124864535 - 2⁴ = 628124864519 is a prime.

It is a super-2 number, since 2×628124864535² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71756719 + ... + 71765471.

It is an arithmetic number, because the mean of its divisors is an integer number (13017810780).

Almost surely, 2^628124864535 is an apocalyptic number.

628124864535 is a deficient number, since it is larger than the sum of its proper divisors (621584970345).

628124864535 is a wasteful number, since it uses less digits than its factorization.

628124864535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9737 (or 9734 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 628124864535 in words is "six hundred twenty-eight billion, one hundred twenty-four million, eight hundred sixty-four thousand, five hundred thirty-five".