85950815 has 16 divisors (see below), whose sum is σ = 107287680. Its totient is φ = 66044160.

The previous prime is 85950811. The next prime is 85950833. The reversal of 85950815 is 51805958.

It is not a de Polignac number, because 85950815 - 2² = 85950811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85950811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11675 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (6705480).

Almost surely, 2^85950815 is an apocalyptic number.

85950815 is a deficient number, since it is larger than the sum of its proper divisors (21336865).

85950815 is a wasteful number, since it uses less digits than its factorization.

85950815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002.

The product of its (nonzero) digits is 72000, while the sum is 41.

The square root of 85950815 is about 9270.9662387477. The cubic root of 85950815 is about 441.3163318118.

The spelling of 85950815 in words is "eighty-five million, nine hundred fifty thousand, eight hundred fifteen".