85970678 has 4 divisors (see below), whose sum is σ = 128956020. Its totient is φ = 42985338.

The previous prime is 85970671. The next prime is 85970681. The reversal of 85970678 is 87607958.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87607958 = 2 ⋅43803979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85970671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21492668 + ... + 21492671.

It is an arithmetic number, because the mean of its divisors is an integer number (32239005).

Almost surely, 2^85970678 is an apocalyptic number.

85970678 is a deficient number, since it is larger than the sum of its proper divisors (42985342).

85970678 is a wasteful number, since it uses less digits than its factorization.

85970678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42985341.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 85970678 is about 9272.0374244284. The cubic root of 85970678 is about 441.3503248621.

The spelling of 85970678 in words is "eighty-five million, nine hundred seventy thousand, six hundred seventy-eight".