85735015 has 4 divisors (see below), whose sum is σ = 102882024. Its totient is φ = 68588008.

The previous prime is 85734967. The next prime is 85735019. The reversal of 85735015 is 51053758.

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

It is a cyclic number.

It is not a de Polignac number, because 85735015 - 2¹⁵ = 85702247 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 (85735019) 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, 8573497 + ... + 8573506.

It is an arithmetic number, because the mean of its divisors is an integer number (25720506).

Almost surely, 2^85735015 is an apocalyptic number.

85735015 is a deficient number, since it is larger than the sum of its proper divisors (17147009).

85735015 is a wasteful number, since it uses less digits than its factorization.

85735015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17147008.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 85735015 is about 9259.3204394275. The cubic root of 85735015 is about 440.9466790050.

The spelling of 85735015 in words is "eighty-five million, seven hundred thirty-five thousand, fifteen".