628348698855 has 12 divisors (see below), whose sum is σ = 1089137744760. Its totient is φ = 335119306032.

The previous prime is 628348698821. The next prime is 628348698871. The reversal of 628348698855 is 558896843826.

628348698855 is a `hidden beast` number, since 6 + 2 + 8 + 3 + 486 + 98 + 8 + 55 = 666.

It is not a de Polignac number, because 628348698855 - 2¹³ = 628348690663 is a prime.

It is a super-2 number, since 2×628348698855² (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 11 ways as a sum of consecutive naturals, for example, 6981652165 + ... + 6981652254.

It is an arithmetic number, because the mean of its divisors is an integer number (90761478730).

Almost surely, 2^628348698855 is an apocalyptic number.

628348698855 is a deficient number, since it is larger than the sum of its proper divisors (460789045905).

628348698855 is a wasteful number, since it uses less digits than its factorization.

628348698855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13963304430 (or 13963304427 counting only the distinct ones).

The product of its digits is 796262400, while the sum is 72.

The spelling of 628348698855 in words is "six hundred twenty-eight billion, three hundred forty-eight million, six hundred ninety-eight thousand, eight hundred fifty-five".