85701399 has 8 divisors (see below), whose sum is σ = 130592640. Its totient is φ = 48972216.

The previous prime is 85701397. The next prime is 85701449. The reversal of 85701399 is 99310758.

It is a happy number.

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

It is not a de Polignac number, because 85701399 - 2¹ = 85701397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85701399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85701397) 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, 2040489 + ... + 2040530.

It is an arithmetic number, because the mean of its divisors is an integer number (16324080).

Almost surely, 2^85701399 is an apocalyptic number.

85701399 is a deficient number, since it is larger than the sum of its proper divisors (44891241).

85701399 is a wasteful number, since it uses less digits than its factorization.

85701399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081029.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 85701399 is about 9257.5050094504. The cubic root of 85701399 is about 440.8890409392.

The spelling of 85701399 in words is "eighty-five million, seven hundred one thousand, three hundred ninety-nine".