8373257225856 has 48 divisors (see below), whose sum is σ = 24094919885010. Its totient is φ = 2791085741568.

The previous prime is 8373257225833. The next prime is 8373257225869. The reversal of 8373257225856 is 6585227523738.

It is a happy number.

8373257225856 is a `hidden beast` number, since 8 + 3 + 7 + 3 + 2 + 572 + 2 + 5 + 8 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4860331707456 + 3512925518400 = 2204616^2 + 1874280^2 .

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

It is a super-2 number, since 2×8373257225856² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8373257225793 and 8373257225802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3634225075 + ... + 3634227378.

Almost surely, 2^{8373257225856} is an apocalyptic number.

It is an amenable number.

8373257225856 is an abundant number, since it is smaller than the sum of its proper divisors (15721662659154).

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

8373257225856 is a wasteful number, since it uses less digits than its factorization.

8373257225856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268452473 (or 7268452458 counting only the distinct ones).

The product of its digits is 169344000, while the sum is 63.

The spelling of 8373257225856 in words is "eight trillion, three hundred seventy-three billion, two hundred fifty-seven million, two hundred twenty-five thousand, eight hundred fifty-six".