628699143 has 16 divisors (see below), whose sum is σ = 849945600. Its totient is φ = 413306400.

The previous prime is 628699129. The next prime is 628699147. The reversal of 628699143 is 341996826.

It is not a de Polignac number, because 628699143 - 2²¹ = 626601991 is a prime.

It is a super-2 number, since 2×628699143² = 790525224817868898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 628699092 and 628699101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628699147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307318 + ... + 309356.

It is an arithmetic number, because the mean of its divisors is an integer number (53121600).

Almost surely, 2^628699143 is an apocalyptic number.

628699143 is a deficient number, since it is larger than the sum of its proper divisors (221246457).

628699143 is a wasteful number, since it uses less digits than its factorization.

628699143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its digits is 559872, while the sum is 48.

The square root of 628699143 is about 25073.8737134891. The cubic root of 628699143 is about 856.6714418995.

The spelling of 628699143 in words is "six hundred twenty-eight million, six hundred ninety-nine thousand, one hundred forty-three".