845689955 has 8 divisors (see below), whose sum is σ = 1107085104. Its totient is φ = 615047200.

The previous prime is 845689927. The next prime is 845689979. The reversal of 845689955 is 559986548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 845689955 - 2⁶ = 845689891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 845689894 and 845689903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7688036 + ... + 7688145.

It is an arithmetic number, because the mean of its divisors is an integer number (138385638).

Almost surely, 2^845689955 is an apocalyptic number.

845689955 is a deficient number, since it is larger than the sum of its proper divisors (261395149).

845689955 is a wasteful number, since it uses less digits than its factorization.

845689955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15376197.

The product of its digits is 15552000, while the sum is 59.

The square root of 845689955 is about 29080.7488727509. The cubic root of 845689955 is about 945.6644375833.

The spelling of 845689955 in words is "eight hundred forty-five million, six hundred eighty-nine thousand, nine hundred fifty-five".