85257734 has 16 divisors (see below), whose sum is σ = 136553472. Its totient is φ = 39826248.

The previous prime is 85257727. The next prime is 85257779. The reversal of 85257734 is 43775258.

It is a junction number, because it is equal to n+sod(n) for n = 85257691 and 85257700.

It is a congruent 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, 19574 + ... + 23529.

It is an arithmetic number, because the mean of its divisors is an integer number (8534592).

Almost surely, 2^85257734 is an apocalyptic number.

85257734 is a deficient number, since it is larger than the sum of its proper divisors (51295738).

85257734 is a wasteful number, since it uses less digits than its factorization.

85257734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43171.

The product of its digits is 235200, while the sum is 41.

The square root of 85257734 is about 9233.5114663924. The cubic root of 85257734 is about 440.1269158676.

The spelling of 85257734 in words is "eighty-five million, two hundred fifty-seven thousand, seven hundred thirty-four".