845457273722 has 16 divisors (see below), whose sum is σ = 1268802339072. Its totient is φ = 422523213840.

The previous prime is 845457273721. The next prime is 845457273757. The reversal of 845457273722 is 227372754548.

It is not an unprimeable number, because it can be changed into a prime (845457273721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59544728 + ... + 59558924.

It is an arithmetic number, because the mean of its divisors is an integer number (79300146192).

Almost surely, 2^845457273722 is an apocalyptic number.

845457273722 is a deficient number, since it is larger than the sum of its proper divisors (423345065350).

845457273722 is a wasteful number, since it uses less digits than its factorization.

845457273722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26573.

The product of its digits is 26342400, while the sum is 56.

The spelling of 845457273722 in words is "eight hundred forty-five billion, four hundred fifty-seven million, two hundred seventy-three thousand, seven hundred twenty-two".