85674378 has 16 divisors (see below), whose sum is σ = 174158496. Its totient is φ = 28089840.

The previous prime is 85674349. The next prime is 85674389. The reversal of 85674378 is 87347658.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116676 + ... + 117407.

It is an arithmetic number, because the mean of its divisors is an integer number (10884906).

Almost surely, 2^85674378 is an apocalyptic number.

85674378 is an abundant number, since it is smaller than the sum of its proper divisors (88484118).

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

85674378 is a wasteful number, since it uses less digits than its factorization.

85674378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234149.

The product of its digits is 1128960, while the sum is 48.

The square root of 85674378 is about 9256.0454838986. The cubic root of 85674378 is about 440.8426997469.

The spelling of 85674378 in words is "eighty-five million, six hundred seventy-four thousand, three hundred seventy-eight".