628359953826 has 32 divisors (see below), whose sum is σ = 1402850135808. Its totient is φ = 185983917840.

The previous prime is 628359953813. The next prime is 628359953863.

628359953826 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 110701876 + ... + 110707551.

It is an arithmetic number, because the mean of its divisors is an integer number (43839066744).

Almost surely, 2^628359953826 is an apocalyptic number.

628359953826 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

628359953826 is an abundant number, since it is smaller than the sum of its proper divisors (774490181982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628359953826 is a wasteful number, since it uses less digits than its factorization.

628359953826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221409486.

The product of its digits is 167961600, while the sum is 66.

The spelling of 628359953826 in words is "six hundred twenty-eight billion, three hundred fifty-nine million, nine hundred fifty-three thousand, eight hundred twenty-six".