8736656442 has 8 divisors (see below), whose sum is σ = 17473312896. Its totient is φ = 2912218812.

The previous prime is 8736656393. The next prime is 8736656447. The reversal of 8736656442 is 2446566378.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

8736656442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8736656447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728054698 + ... + 728054709.

It is an arithmetic number, because the mean of its divisors is an integer number (2184164112).

Almost surely, 2^8736656442 is an apocalyptic number.

8736656442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8736656442 is a wasteful number, since it uses less digits than its factorization.

8736656442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456109412.

The product of its digits is 5806080, while the sum is 51.

The square root of 8736656442 is about 93470.0831389381. The cubic root of 8736656442 is about 2059.5946387173.

The spelling of 8736656442 in words is "eight billion, seven hundred thirty-six million, six hundred fifty-six thousand, four hundred forty-two".