8456355556 has 18 divisors (see below), whose sum is σ = 16266255110. Its totient is φ = 3843797760.

The previous prime is 8456355511. The next prime is 8456355563. The reversal of 8456355556 is 6555536548.

It can be written as a sum of positive squares in only one way, i.e., 6465768100 + 1990587456 = 80410^2 + 44616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8735421 + ... + 8736388.

Almost surely, 2^8456355556 is an apocalyptic number.

It is an amenable number.

8456355556 is a deficient number, since it is larger than the sum of its proper divisors (7809899554).

8456355556 is a wasteful number, since it uses less digits than its factorization.

8456355556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17471835 (or 17471822 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 52.

The square root of 8456355556 is about 91958.4447236903. Note that the first 3 decimals coincide. The cubic root of 8456355556 is about 2037.3285835491.

The spelling of 8456355556 in words is "eight billion, four hundred fifty-six million, three hundred fifty-five thousand, five hundred fifty-six".