894140078 has 16 divisors (see below), whose sum is σ = 1445208576. Its totient is φ = 412443360.

The previous prime is 894140069. The next prime is 894140081. The reversal of 894140078 is 870041498.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41363 + ... + 59153.

It is an arithmetic number, because the mean of its divisors is an integer number (90325536).

Almost surely, 2^894140078 is an apocalyptic number.

894140078 is a deficient number, since it is larger than the sum of its proper divisors (551068498).

894140078 is a wasteful number, since it uses less digits than its factorization.

894140078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19739.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 894140078 is about 29902.1751382738. The cubic root of 894140078 is about 963.3893785980.

The spelling of 894140078 in words is "eight hundred ninety-four million, one hundred forty thousand, seventy-eight".