628280088 has 32 divisors (see below), whose sum is σ = 1580714160. Its totient is φ = 208091520.

The previous prime is 628280063. The next prime is 628280117. The reversal of 628280088 is 880082826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79603 + ... + 87138.

Almost surely, 2^628280088 is an apocalyptic number.

It is an amenable number.

628280088 is an abundant number, since it is smaller than the sum of its proper divisors (952434072).

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

628280088 is a wasteful number, since it uses less digits than its factorization.

628280088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166907 (or 166903 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 628280088 is about 25065.5159133021. The cubic root of 628280088 is about 856.4810634830.

The spelling of 628280088 in words is "six hundred twenty-eight million, two hundred eighty thousand, eighty-eight".