85496287 has 4 divisors (see below), whose sum is σ = 85518136. Its totient is φ = 85474440.

The previous prime is 85496269. The next prime is 85496291. The reversal of 85496287 is 78269458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78269458 = 2 ⋅39134729.

It is a cyclic number.

It is not a de Polignac number, because 85496287 - 2¹¹ = 85494239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85496287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85496207) 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, 3264 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (21379534).

Almost surely, 2^85496287 is an apocalyptic number.

85496287 is a deficient number, since it is larger than the sum of its proper divisors (21849).

85496287 is a wasteful number, since it uses less digits than its factorization.

85496287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21848.

The product of its digits is 967680, while the sum is 49.

The square root of 85496287 is about 9246.4202262281. The cubic root of 85496287 is about 440.5370285083.

The spelling of 85496287 in words is "eighty-five million, four hundred ninety-six thousand, two hundred eighty-seven".