625780053216856 has 32 divisors (see below), whose sum is σ = 1211362306058880. Its totient is φ = 302753023372800.

The previous prime is 625780053216841. The next prime is 625780053217021. The reversal of 625780053216856 is 658612350087526.

It is a super-2 number, since 2×625780053216856² (a number of 30 digits) 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180683505 + ... + 184114336.

It is an arithmetic number, because the mean of its divisors is an integer number (37855072064340).

Almost surely, 2^{625780053216856} is an apocalyptic number.

It is an amenable number.

625780053216856 is a deficient number, since it is larger than the sum of its proper divisors (585582252842024).

625780053216856 is a wasteful number, since it uses less digits than its factorization.

625780053216856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364804795 (or 364804791 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 64.

The spelling of 625780053216856 in words is "six hundred twenty-five trillion, seven hundred eighty billion, fifty-three million, two hundred sixteen thousand, eight hundred fifty-six".