85727830 has 8 divisors (see below), whose sum is σ = 154310112. Its totient is φ = 34291128.

The previous prime is 85727813. The next prime is 85727849. The reversal of 85727830 is 3872758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4286382 + ... + 4286401.

It is an arithmetic number, because the mean of its divisors is an integer number (19288764).

Almost surely, 2^85727830 is an apocalyptic number.

85727830 is a deficient number, since it is larger than the sum of its proper divisors (68582282).

85727830 is a wasteful number, since it uses less digits than its factorization.

85727830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572790.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 85727830 is about 9258.9324438620. The cubic root of 85727830 is about 440.9343608547.

The spelling of 85727830 in words is "eighty-five million, seven hundred twenty-seven thousand, eight hundred thirty".