628487158 has 16 divisors (see below), whose sum is σ = 1016726256. Its totient is φ = 289648800.

The previous prime is 628487147. The next prime is 628487177. The reversal of 628487158 is 851784826.

It is a super-2 number, since 2×628487158² = 789992215541833928, which contains 22 as substring.

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, 985 + ... + 35467.

It is an arithmetic number, because the mean of its divisors is an integer number (63545391).

Almost surely, 2^628487158 is an apocalyptic number.

628487158 is a deficient number, since it is larger than the sum of its proper divisors (388239098).

628487158 is a wasteful number, since it uses less digits than its factorization.

628487158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35199.

The product of its digits is 860160, while the sum is 49.

The square root of 628487158 is about 25069.6461482806. The cubic root of 628487158 is about 856.5751468155.

The spelling of 628487158 in words is "six hundred twenty-eight million, four hundred eighty-seven thousand, one hundred fifty-eight".