845678027478 has 16 divisors (see below), whose sum is σ = 1695174019776. Its totient is φ = 281256348360.

The previous prime is 845678027431. The next prime is 845678027479. The reversal of 845678027478 is 874720876548.

845678027478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845678027479) 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, 159078988 + ... + 159084303.

It is an arithmetic number, because the mean of its divisors is an integer number (105948376236).

Almost surely, 2^845678027478 is an apocalyptic number.

845678027478 is an abundant number, since it is smaller than the sum of its proper divisors (849495992298).

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

845678027478 is a wasteful number, since it uses less digits than its factorization.

845678027478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318163739.

The product of its (nonzero) digits is 168591360, while the sum is 66.

The spelling of 845678027478 in words is "eight hundred forty-five billion, six hundred seventy-eight million, twenty-seven thousand, four hundred seventy-eight".