845740378 has 16 divisors (see below), whose sum is σ = 1535125824. Its totient is φ = 341138880.

The previous prime is 845740373. The next prime is 845740387. The reversal of 845740378 is 873047548.

It is not an unprimeable number, because it can be changed into a prime (845740373) 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, 1776528 + ... + 1777003.

It is an arithmetic number, because the mean of its divisors is an integer number (95945364).

Almost surely, 2^845740378 is an apocalyptic number.

845740378 is a deficient number, since it is larger than the sum of its proper divisors (689385446).

845740378 is a wasteful number, since it uses less digits than its factorization.

845740378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553557.

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 845740378 is about 29081.6158079292. The cubic root of 845740378 is about 945.6832318195.

The spelling of 845740378 in words is "eight hundred forty-five million, seven hundred forty thousand, three hundred seventy-eight".