85684754 has 4 divisors (see below), whose sum is σ = 128527134. Its totient is φ = 42842376.

The previous prime is 85684747. The next prime is 85684757. The reversal of 85684754 is 45748658.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79299025 + 6385729 = 8905^2 + 2527^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85684699 and 85684708.

It is not an unprimeable number, because it can be changed into a prime (85684757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21421187 + ... + 21421190.

Almost surely, 2^85684754 is an apocalyptic number.

85684754 is a deficient number, since it is larger than the sum of its proper divisors (42842380).

85684754 is a wasteful number, since it uses less digits than its factorization.

85684754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42842379.

The product of its digits is 1075200, while the sum is 47.

The square root of 85684754 is about 9256.6059654714. The cubic root of 85684754 is about 440.8604958072.

The spelling of 85684754 in words is "eighty-five million, six hundred eighty-four thousand, seven hundred fifty-four".