84141378 has 24 divisors (see below), whose sum is σ = 188188416. Its totient is φ = 27142200.

The previous prime is 84141377. The next prime is 84141391. The reversal of 84141378 is 87314148.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84141377) 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 11 ways as a sum of consecutive naturals, for example, 74838 + ... + 75953.

It is an arithmetic number, because the mean of its divisors is an integer number (7841184).

Almost surely, 2^84141378 is an apocalyptic number.

84141378 is an abundant number, since it is smaller than the sum of its proper divisors (104047038).

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

84141378 is a wasteful number, since it uses less digits than its factorization.

84141378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150830 (or 150827 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 84141378 is about 9172.8609495620. The cubic root of 84141378 is about 438.1974777243.

The spelling of 84141378 in words is "eighty-four million, one hundred forty-one thousand, three hundred seventy-eight".