85150567 has 4 divisors (see below), whose sum is σ = 85291456. Its totient is φ = 85009680.

The previous prime is 85150537. The next prime is 85150591. The reversal of 85150567 is 76505158.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85150567 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 (85150537) 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, 69534 + ... + 70747.

It is an arithmetic number, because the mean of its divisors is an integer number (21322864).

Almost surely, 2^85150567 is an apocalyptic number.

85150567 is a deficient number, since it is larger than the sum of its proper divisors (140889).

85150567 is a wasteful number, since it uses less digits than its factorization.

85150567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140888.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 85150567 is about 9227.7064864461. The cubic root of 85150567 is about 439.9424287623.

The spelling of 85150567 in words is "eighty-five million, one hundred fifty thousand, five hundred sixty-seven".