626790563 has 8 divisors (see below), whose sum is σ = 754033920. Its totient is φ = 508972680.

The previous prime is 626790559. The next prime is 626790569. The reversal of 626790563 is 365097626.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 626790563 - 2² = 626790559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (626790569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356223 + ... + 2356488.

It is an arithmetic number, because the mean of its divisors is an integer number (94254240).

Almost surely, 2^626790563 is an apocalyptic number.

626790563 is a deficient number, since it is larger than the sum of its proper divisors (127243357).

626790563 is a wasteful number, since it uses less digits than its factorization.

626790563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712737.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 626790563 is about 25035.7856477483. The cubic root of 626790563 is about 855.8036801035.

The spelling of 626790563 in words is "six hundred twenty-six million, seven hundred ninety thousand, five hundred sixty-three".