671100378 has 32 divisors (see below), whose sum is σ = 1465817472. Its totient is φ = 203582400.

The previous prime is 671100377. The next prime is 671100403. The reversal of 671100378 is 873001176.

It is not an unprimeable number, because it can be changed into a prime (671100373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55053 + ... + 66128.

It is an arithmetic number, because the mean of its divisors is an integer number (45806796).

Almost surely, 2^671100378 is an apocalyptic number.

671100378 is an abundant number, since it is smaller than the sum of its proper divisors (794717094).

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

671100378 is a wasteful number, since it uses less digits than its factorization.

671100378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121270.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 671100378 is about 25905.6051463771. The cubic root of 671100378 is about 875.5127891654.

The spelling of 671100378 in words is "six hundred seventy-one million, one hundred thousand, three hundred seventy-eight".