84678374 has 8 divisors (see below), whose sum is σ = 138564648. Its totient is φ = 38490160.

The previous prime is 84678371. The next prime is 84678379. The reversal of 84678374 is 47387648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84678371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924487 + ... + 1924530.

It is an arithmetic number, because the mean of its divisors is an integer number (17320581).

Almost surely, 2^84678374 is an apocalyptic number.

84678374 is a deficient number, since it is larger than the sum of its proper divisors (53886274).

84678374 is a wasteful number, since it uses less digits than its factorization.

84678374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849030.

The product of its digits is 903168, while the sum is 47.

The square root of 84678374 is about 9202.0853071464. The cubic root of 84678374 is about 439.1277036407.

The spelling of 84678374 in words is "eighty-four million, six hundred seventy-eight thousand, three hundred seventy-four".