626863968 has 48 divisors (see below), whose sum is σ = 1828355760. Its totient is φ = 208954368.

The previous prime is 626863889. The next prime is 626863981. The reversal of 626863968 is 869368626.

626863968 is a `hidden beast` number, since 626 + 8 + 6 + 3 + 9 + 6 + 8 = 666.

626863968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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, 361905 + ... + 363632.

It is an arithmetic number, because the mean of its divisors is an integer number (38090745).

Almost surely, 2^626863968 is an apocalyptic number.

It is an amenable number.

626863968 is an abundant number, since it is smaller than the sum of its proper divisors (1201491792).

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

626863968 is a wasteful number, since it uses less digits than its factorization.

626863968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725556 (or 725542 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 626863968 is about 25037.2516063565. The cubic root of 626863968 is about 855.8370872311.

The spelling of 626863968 in words is "six hundred twenty-six million, eight hundred sixty-three thousand, nine hundred sixty-eight".