8425916556 has 48 divisors (see below), whose sum is σ = 19803105504. Its totient is φ = 2788335616.

The previous prime is 8425916539. The next prime is 8425916557. The reversal of 8425916556 is 6556195248.

It is a happy number.

It is a super-2 number, since 2×8425916556² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8425916499 and 8425916508.

It is not an unprimeable number, because it can be changed into a prime (8425916557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982720 + ... + 991256.

It is an arithmetic number, because the mean of its divisors is an integer number (412564698).

Almost surely, 2^8425916556 is an apocalyptic number.

It is an amenable number.

8425916556 is an abundant number, since it is smaller than the sum of its proper divisors (11377188948).

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

8425916556 is a wasteful number, since it uses less digits than its factorization.

8425916556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130 (or 9128 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 51.

The square root of 8425916556 is about 91792.7914163198. The cubic root of 8425916556 is about 2034.8811619576.

The spelling of 8425916556 in words is "eight billion, four hundred twenty-five million, nine hundred sixteen thousand, five hundred fifty-six".