85503836 has 12 divisors (see below), whose sum is σ = 163234680. Its totient is φ = 38865360.

The previous prime is 85503827. The next prime is 85503839. The reversal of 85503836 is 63830558.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85503836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85503839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971591 + ... + 971678.

It is an arithmetic number, because the mean of its divisors is an integer number (13602890).

Almost surely, 2^85503836 is an apocalyptic number.

It is an amenable number.

85503836 is a deficient number, since it is larger than the sum of its proper divisors (77730844).

85503836 is a wasteful number, since it uses less digits than its factorization.

85503836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943284 (or 1943282 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 85503836 is about 9246.8284292508. The cubic root of 85503836 is about 440.5499940466.

The spelling of 85503836 in words is "eighty-five million, five hundred three thousand, eight hundred thirty-six".