628199088 has 60 divisors (see below), whose sum is σ = 1783807704. Its totient is φ = 190361600.

The previous prime is 628199087. The next prime is 628199101. The reversal of 628199088 is 880991826.

It is a self number, because there is not a number n which added to its sum of digits gives 628199088.

It is not an unprimeable number, because it can be changed into a prime (628199081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48273 + ... + 59888.

Almost surely, 2^628199088 is an apocalyptic number.

It is an amenable number.

628199088 is an abundant number, since it is smaller than the sum of its proper divisors (1155608616).

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

628199088 is a wasteful number, since it uses less digits than its factorization.

628199088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108194 (or 108177 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 628199088 is about 25063.9000955558. The cubic root of 628199088 is about 856.4442550865. Note that the first 3 decimals are identical.

The spelling of 628199088 in words is "six hundred twenty-eight million, one hundred ninety-nine thousand, eighty-eight".