85358157 has 24 divisors (see below), whose sum is σ = 118935936. Its totient is φ = 54422784.

The previous prime is 85358137. The next prime is 85358167. The reversal of 85358157 is 75185358.

It is a happy number.

It is not a de Polignac number, because 85358157 - 2¹⁰ = 85357133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85358137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879933 + ... + 880029.

It is an arithmetic number, because the mean of its divisors is an integer number (4955664).

Almost surely, 2^85358157 is an apocalyptic number.

It is an amenable number.

85358157 is a deficient number, since it is larger than the sum of its proper divisors (33577779).

85358157 is an equidigital number, since it uses as much as digits as its factorization.

85358157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 226 counting only the distinct ones).

The product of its digits is 168000, while the sum is 42.

The square root of 85358157 is about 9238.9478297044. The cubic root of 85358157 is about 440.2996529748.

The spelling of 85358157 in words is "eighty-five million, three hundred fifty-eight thousand, one hundred fifty-seven".