628680903925 has 12 divisors (see below), whose sum is σ = 780692510656. Its totient is φ = 502216858800.

The previous prime is 628680903901. The next prime is 628680903973. The reversal of 628680903925 is 529309086826.

It is a happy number.

It is not a de Polignac number, because 628680903925 - 2¹⁹ = 628680379637 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628680903925.

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, 18178989 + ... + 18213538.

Almost surely, 2^628680903925 is an apocalyptic number.

It is an amenable number.

628680903925 is a deficient number, since it is larger than the sum of its proper divisors (152011606731).

628680903925 is a wasteful number, since it uses less digits than its factorization.

628680903925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36393228 (or 36393223 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 628680903925 in words is "six hundred twenty-eight billion, six hundred eighty million, nine hundred three thousand, nine hundred twenty-five".