85286358503 has 4 divisors (see below), whose sum is σ = 85296680760. Its totient is φ = 85276036248.

The previous prime is 85286358431. The next prime is 85286358551. The reversal of 85286358503 is 30585368258.

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

It is a cyclic number.

It is not a de Polignac number, because 85286358503 - 2¹⁰ = 85286357479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85286358103) 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, 5148725 + ... + 5165262.

It is an arithmetic number, because the mean of its divisors is an integer number (21324170190).

Almost surely, 2^85286358503 is an apocalyptic number.

85286358503 is a deficient number, since it is larger than the sum of its proper divisors (10322257).

85286358503 is a wasteful number, since it uses less digits than its factorization.

85286358503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322256.

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 85286358503 in words is "eighty-five billion, two hundred eighty-six million, three hundred fifty-eight thousand, five hundred three".