85597119 has 6 divisors (see below), whose sum is σ = 123640296. Its totient is φ = 57064740.

The previous prime is 85597117. The next prime is 85597121. The reversal of 85597119 is 91179558.

It is an interprime number because it is at equal distance from previous prime (85597117) and next prime (85597121).

It is not a de Polignac number, because 85597119 - 2¹ = 85597117 is a prime.

It is a super-2 number, since 2×85597119² = 14653733562200322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85597117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4755387 + ... + 4755404.

It is an arithmetic number, because the mean of its divisors is an integer number (20606716).

Almost surely, 2^85597119 is an apocalyptic number.

85597119 is a deficient number, since it is larger than the sum of its proper divisors (38043177).

85597119 is a wasteful number, since it uses less digits than its factorization.

85597119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510797 (or 9510794 counting only the distinct ones).

The product of its digits is 113400, while the sum is 45.

The square root of 85597119 is about 9251.8711080516. The cubic root of 85597119 is about 440.7101462735.

The spelling of 85597119 in words is "eighty-five million, five hundred ninety-seven thousand, one hundred nineteen".