85801299 has 8 divisors (see below), whose sum is σ = 116013312. Its totient is φ = 56395080.

The previous prime is 85801291. The next prime is 85801307. The reversal of 85801299 is 99210858.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85801291) and next prime (85801307).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85801299 - 2³ = 85801291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85801299.

It is not an unprimeable number, because it can be changed into a prime (85801291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201199 + ... + 201624.

It is an arithmetic number, because the mean of its divisors is an integer number (14501664).

Almost surely, 2^85801299 is an apocalyptic number.

85801299 is a deficient number, since it is larger than the sum of its proper divisors (30212013).

85801299 is a wasteful number, since it uses less digits than its factorization.

85801299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402897.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 85801299 is about 9262.8990602295. The cubic root of 85801299 is about 441.0602855661.

The spelling of 85801299 in words is "eighty-five million, eight hundred one thousand, two hundred ninety-nine".