85648157 has 8 divisors (see below), whose sum is σ = 97992576. Its totient is φ = 73330992.

The previous prime is 85648151. The next prime is 85648163. The reversal of 85648157 is 75184658.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85648151) and next prime (85648163).

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

It is not a de Polignac number, because 85648157 - 2⁴ = 85648141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85648151) 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, 443 + ... + 13095.

It is an arithmetic number, because the mean of its divisors is an integer number (12249072).

Almost surely, 2^85648157 is an apocalyptic number.

It is an amenable number.

85648157 is a deficient number, since it is larger than the sum of its proper divisors (12344419).

85648157 is a wasteful number, since it uses less digits than its factorization.

85648157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13627.

The product of its digits is 268800, while the sum is 44.

The square root of 85648157 is about 9254.6289498823. The cubic root of 85648157 is about 440.7977212435.

The spelling of 85648157 in words is "eighty-five million, six hundred forty-eight thousand, one hundred fifty-seven".