628680903926 has 24 divisors (see below), whose sum is σ = 961961154840. Its totient is φ = 308106604512.

The previous prime is 628680903901. The next prime is 628680903973. The reversal of 628680903926 is 629309086826.

It is a super-2 number, since 2×628680903926² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

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, 2560010 + ... + 2794818.

It is an arithmetic number, because the mean of its divisors is an integer number (40081714785).

Almost surely, 2^628680903926 is an apocalyptic number.

628680903926 is a deficient number, since it is larger than the sum of its proper divisors (333280250914).

628680903926 is a wasteful number, since it uses less digits than its factorization.

628680903926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235148 (or 235021 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 628680903926 in words is "six hundred twenty-eight billion, six hundred eighty million, nine hundred three thousand, nine hundred twenty-six".