4591886856 has 32 divisors (see below), whose sum is σ = 11489657760. Its totient is φ = 1529303552.

The previous prime is 4591886837. The next prime is 4591886857. The reversal of 4591886856 is 6586881954.

It is a self number, because there is not a number n which added to its sum of digits gives 4591886856.

It is not an unprimeable number, because it can be changed into a prime (4591886857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54345 + ... + 110168.

It is an arithmetic number, because the mean of its divisors is an integer number (359051805).

Almost surely, 2^4591886856 is an apocalyptic number.

It is an amenable number.

4591886856 is an abundant number, since it is smaller than the sum of its proper divisors (6897770904).

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

4591886856 is a wasteful number, since it uses less digits than its factorization.

4591886856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165685 (or 165681 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 60.

The square root of 4591886856 is about 67763.4625443535. The cubic root of 4591886856 is about 1662.1251699560.

The spelling of 4591886856 in words is "four billion, five hundred ninety-one million, eight hundred eighty-six thousand, eight hundred fifty-six".