845740677204 has 144 divisors (see below), whose sum is σ = 2211515115264. Its totient is φ = 272371008000.

The previous prime is 845740677169. The next prime is 845740677227. The reversal of 845740677204 is 402776047548.

845740677204 is a `hidden beast` number, since 8 + 4 + 574 + 0 + 67 + 7 + 2 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129097729 + ... + 129104279.

It is an arithmetic number, because the mean of its divisors is an integer number (15357743856).

Almost surely, 2^845740677204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845740677204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105757557632).

845740677204 is an abundant number, since it is smaller than the sum of its proper divisors (1365774438060).

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

845740677204 is a wasteful number, since it uses less digits than its factorization.

845740677204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638 (or 7633 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 54.

The spelling of 845740677204 in words is "eight hundred forty-five billion, seven hundred forty million, six hundred seventy-seven thousand, two hundred four".