85115087 has 6 divisors (see below), whose sum is σ = 88152168. Its totient is φ = 82179272.

The previous prime is 85115083. The next prime is 85115099. The reversal of 85115087 is 78051158.

It is not a de Polignac number, because 85115087 - 2² = 85115083 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 (85115081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49763 + ... + 51444.

It is an arithmetic number, because the mean of its divisors is an integer number (14692028).

Almost surely, 2^85115087 is an apocalyptic number.

85115087 is a deficient number, since it is larger than the sum of its proper divisors (3037081).

85115087 is a wasteful number, since it uses less digits than its factorization.

85115087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101265 (or 101236 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 85115087 is about 9225.7838149395. The cubic root of 85115087 is about 439.8813161301.

The spelling of 85115087 in words is "eighty-five million, one hundred fifteen thousand, eighty-seven".