628112502 has 16 divisors (see below), whose sum is σ = 1395805680. Its totient is φ = 209370816.

The previous prime is 628112501. The next prime is 628112509. The reversal of 628112502 is 205211826.

It is a happy number.

628112502 is a `hidden beast` number, since 628 + 11 + 25 + 0 + 2 = 666.

628112502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628112501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5815803 + ... + 5815910.

It is an arithmetic number, because the mean of its divisors is an integer number (87237855).

Almost surely, 2^628112502 is an apocalyptic number.

628112502 is an abundant number, since it is smaller than the sum of its proper divisors (767693178).

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

628112502 is a wasteful number, since it uses less digits than its factorization.

628112502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631724 (or 11631718 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 628112502 is about 25062.1727310303. The cubic root of 628112502 is about 856.4049047749.

The spelling of 628112502 in words is "six hundred twenty-eight million, one hundred twelve thousand, five hundred two".