8561796400 has 30 divisors (see below), whose sum is σ = 20569716812. Its totient is φ = 3424718400.

The previous prime is 8561796379. The next prime is 8561796401. The reversal of 8561796400 is 46971658.

It is not an unprimeable number, because it can be changed into a prime (8561796401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10701846 + ... + 10702645.

Almost surely, 2^8561796400 is an apocalyptic number.

8561796400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8561796400 is an abundant number, since it is smaller than the sum of its proper divisors (12007920412).

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

8561796400 is a wasteful number, since it uses less digits than its factorization.

8561796400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21404509 (or 21404498 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 8561796400 is about 92529.9756835589. The cubic root of 8561796400 is about 2045.7613312178.

The spelling of 8561796400 in words is "eight billion, five hundred sixty-one million, seven hundred ninety-six thousand, four hundred".