845837906454 has 24 divisors (see below), whose sum is σ = 1832670259992. Its totient is φ = 281942666880.

The previous prime is 845837906453. The next prime is 845837906461. The reversal of 845837906454 is 454609738548.

845837906454 is a `hidden beast` number, since 8 + 4 + 583 + 7 + 9 + 0 + 6 + 45 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 845837906391 and 845837906400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845837906453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1679974 + ... + 2124614.

It is an arithmetic number, because the mean of its divisors is an integer number (76361260833).

Almost surely, 2^845837906454 is an apocalyptic number.

845837906454 is an abundant number, since it is smaller than the sum of its proper divisors (986832353538).

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

845837906454 is a wasteful number, since it uses less digits than its factorization.

845837906454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550332 (or 550329 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 63.

The spelling of 845837906454 in words is "eight hundred forty-five billion, eight hundred thirty-seven million, nine hundred six thousand, four hundred fifty-four".