626487968 has 24 divisors (see below), whose sum is σ = 1238328000. Its totient is φ = 311992000.

The previous prime is 626487947. The next prime is 626487991. The reversal of 626487968 is 869784626.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30968 + ... + 47031.

It is an arithmetic number, because the mean of its divisors is an integer number (51597000).

Almost surely, 2^626487968 is an apocalyptic number.

It is an amenable number.

626487968 is a deficient number, since it is larger than the sum of its proper divisors (611840032).

626487968 is a wasteful number, since it uses less digits than its factorization.

626487968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78260 (or 78252 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 56.

The square root of 626487968 is about 25029.7416686629. The cubic root of 626487968 is about 855.6659394642.

The spelling of 626487968 in words is "six hundred twenty-six million, four hundred eighty-seven thousand, nine hundred sixty-eight".