848421561 has 16 divisors (see below), whose sum is σ = 1218921984. Its totient is φ = 521816064.

The previous prime is 848421557. The next prime is 848421599. The reversal of 848421561 is 165124848.

848421561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 848421561 - 2² = 848421557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (848421061) 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, 81145 + ... + 91001.

It is an arithmetic number, because the mean of its divisors is an integer number (76182624).

Almost surely, 2^848421561 is an apocalyptic number.

It is an amenable number.

848421561 is a deficient number, since it is larger than the sum of its proper divisors (370500423).

848421561 is a wasteful number, since it uses less digits than its factorization.

848421561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080.

The product of its digits is 61440, while the sum is 39.

The square root of 848421561 is about 29127.6768898586. The cubic root of 848421561 is about 946.6815189073.

The spelling of 848421561 in words is "eight hundred forty-eight million, four hundred twenty-one thousand, five hundred sixty-one".