85906774 has 4 divisors (see below), whose sum is σ = 128860164. Its totient is φ = 42953386.

The previous prime is 85906759. The next prime is 85906801. The reversal of 85906774 is 47760958.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21476692 + ... + 21476695.

It is an arithmetic number, because the mean of its divisors is an integer number (32215041).

Almost surely, 2^85906774 is an apocalyptic number.

85906774 is a deficient number, since it is larger than the sum of its proper divisors (42953390).

85906774 is a wasteful number, since it uses less digits than its factorization.

85906774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42953389.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 85906774 is about 9268.5907235135. The cubic root of 85906774 is about 441.2409424426.

The spelling of 85906774 in words is "eighty-five million, nine hundred six thousand, seven hundred seventy-four".