85042615 has 32 divisors (see below), whose sum is σ = 123171840. Its totient is φ = 55106304.

The previous prime is 85042603. The next prime is 85042649. The reversal of 85042615 is 51624058.

It is a cyclic number.

It is not a de Polignac number, because 85042615 - 2¹³ = 85034423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71052 + ... + 72238.

It is an arithmetic number, because the mean of its divisors is an integer number (3849120).

Almost surely, 2^85042615 is an apocalyptic number.

85042615 is a deficient number, since it is larger than the sum of its proper divisors (38129225).

85042615 is a wasteful number, since it uses less digits than its factorization.

85042615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 85042615 is about 9221.8552905584. The cubic root of 85042615 is about 439.7564337226.

The spelling of 85042615 in words is "eighty-five million, forty-two thousand, six hundred fifteen".