630880086 has 16 divisors (see below), whose sum is σ = 1265744304. Its totient is φ = 209629344.

The previous prime is 630880057. The next prime is 630880091. The reversal of 630880086 is 680088036.

It is a super-2 number, since 2×630880086² = 796019365822734792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163945 + ... + 167748.

It is an arithmetic number, because the mean of its divisors is an integer number (79109019).

Almost surely, 2^630880086 is an apocalyptic number.

630880086 is an abundant number, since it is smaller than the sum of its proper divisors (634864218).

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

630880086 is a wasteful number, since it uses less digits than its factorization.

630880086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332015.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 630880086 is about 25117.3264102691. The cubic root of 630880086 is about 857.6608898924.

The spelling of 630880086 in words is "six hundred thirty million, eight hundred eighty thousand, eighty-six".