85299255 has 12 divisors (see below), whose sum is σ = 147852120. Its totient is φ = 45492912.

The previous prime is 85299239. The next prime is 85299271. The reversal of 85299255 is 55299258.

It is an interprime number because it is at equal distance from previous prime (85299239) and next prime (85299271).

It is not a de Polignac number, because 85299255 - 2⁴ = 85299239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1895539 = 85299255 / (8 + 5 + 2 + 9 + 9 + 2 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 85299255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 947725 + ... + 947814.

It is an arithmetic number, because the mean of its divisors is an integer number (12321010).

Almost surely, 2^85299255 is an apocalyptic number.

85299255 is a deficient number, since it is larger than the sum of its proper divisors (62552865).

85299255 is a wasteful number, since it uses less digits than its factorization.

85299255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895550 (or 1895547 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 85299255 is about 9235.7595789410. The cubic root of 85299255 is about 440.1983523736.

The spelling of 85299255 in words is "eighty-five million, two hundred ninety-nine thousand, two hundred fifty-five".