845974479548 has 24 divisors (see below), whose sum is σ = 1616863054464. Its totient is φ = 384100314800.

The previous prime is 845974479521. The next prime is 845974479557.

845974479548 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10799018 + ... + 10877073.

It is an arithmetic number, because the mean of its divisors is an integer number (67369293936).

Almost surely, 2^845974479548 is an apocalyptic number.

It is an amenable number.

845974479548 is a deficient number, since it is larger than the sum of its proper divisors (770888574916).

845974479548 is a wasteful number, since it uses less digits than its factorization.

845974479548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21676993 (or 21676991 counting only the distinct ones).

The product of its digits is 1625702400, while the sum is 74.

The spelling of 845974479548 in words is "eight hundred forty-five billion, nine hundred seventy-four million, four hundred seventy-nine thousand, five hundred forty-eight".