85267511 has 8 divisors (see below), whose sum is σ = 100809120. Its totient is φ = 70566048.

The previous prime is 85267451. The next prime is 85267519. The reversal of 85267511 is 11576258.

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

It is a de Polignac number, because none of the positive numbers 2^k-85267511 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 (85267519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209816 + ... + 210221.

It is an arithmetic number, because the mean of its divisors is an integer number (12601140).

Almost surely, 2^85267511 is an apocalyptic number.

85267511 is a deficient number, since it is larger than the sum of its proper divisors (15541609).

85267511 is a wasteful number, since it uses less digits than its factorization.

85267511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420073.

The product of its digits is 16800, while the sum is 35.

The square root of 85267511 is about 9234.0408814343. The cubic root of 85267511 is about 440.1437391952.

The spelling of 85267511 in words is "eighty-five million, two hundred sixty-seven thousand, five hundred eleven".