625780563224266 has 8 divisors (see below), whose sum is σ = 938781108088164. Its totient is φ = 312853527194880.

The previous prime is 625780563224263. The next prime is 625780563224293. The reversal of 625780563224266 is 662422365087526.

It can be written as a sum of positive squares in 2 ways, for example, as 398973499411041 + 226807063813225 = 19974321^2 + 15060115^2 .

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

It is a super-2 number, since 2×625780563224266² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 625780563224198 and 625780563224207.

It is not an unprimeable number, because it can be changed into a prime (625780563224263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18377187345 + ... + 18377221396.

Almost surely, 2^{625780563224266} is an apocalyptic number.

625780563224266 is a deficient number, since it is larger than the sum of its proper divisors (313000544863898).

625780563224266 is a wasteful number, since it uses less digits than its factorization.

625780563224266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36754417256.

The product of its (nonzero) digits is 348364800, while the sum is 64.

The spelling of 625780563224266 in words is "six hundred twenty-five trillion, seven hundred eighty billion, five hundred sixty-three million, two hundred twenty-four thousand, two hundred sixty-six".