85565573272 has 24 divisors (see below), whose sum is σ = 170427973860. Its totient is φ = 40266151040.

The previous prime is 85565573251. The next prime is 85565573281. The reversal of 85565573272 is 27237556558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18502354 + ... + 18506977.

Almost surely, 2^85565573272 is an apocalyptic number.

It is an amenable number.

85565573272 is a deficient number, since it is larger than the sum of its proper divisors (84862400588).

85565573272 is a wasteful number, since it uses less digits than its factorization.

85565573272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37009371 (or 37009350 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 55.

The spelling of 85565573272 in words is "eighty-five billion, five hundred sixty-five million, five hundred seventy-three thousand, two hundred seventy-two".