628079836 has 12 divisors (see below), whose sum is σ = 1099320040. Its totient is φ = 313988400.

The previous prime is 628079833. The next prime is 628079869. The reversal of 628079836 is 638970826.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 628079836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628079831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31675 + ... + 47533.

Almost surely, 2^628079836 is an apocalyptic number.

It is an amenable number.

628079836 is a deficient number, since it is larger than the sum of its proper divisors (471240204).

628079836 is a wasteful number, since it uses less digits than its factorization.

628079836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25764 (or 25762 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 628079836 is about 25061.5210232739. The cubic root of 628079836 is about 856.3900582798.

The spelling of 628079836 in words is "six hundred twenty-eight million, seventy-nine thousand, eight hundred thirty-six".