628114155 has 16 divisors (see below), whose sum is σ = 1005295104. Its totient is φ = 334890080.

The previous prime is 628114129. The next prime is 628114211. The reversal of 628114155 is 551411826.

It is not a de Polignac number, because 628114155 - 2¹⁰ = 628113131 is a prime.

It is a super-2 number, since 2×628114155² = 789054783422728050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83500 + ... + 90710.

It is an arithmetic number, because the mean of its divisors is an integer number (62830944).

Almost surely, 2^628114155 is an apocalyptic number.

628114155 is a deficient number, since it is larger than the sum of its proper divisors (377180949).

628114155 is a wasteful number, since it uses less digits than its factorization.

628114155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13026.

The product of its digits is 9600, while the sum is 33.

The square root of 628114155 is about 25062.2057089954. The cubic root of 628114155 is about 856.4056560395.

It can be divided in two parts, 62811 and 4155, that added together give a palindrome (66966).

The spelling of 628114155 in words is "six hundred twenty-eight million, one hundred fourteen thousand, one hundred fifty-five".