85468157 has 2 divisors, whose sum is σ = 85468158. Its totient is φ = 85468156.

The previous prime is 85468153. The next prime is 85468169. The reversal of 85468157 is 75186458.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66406201 + 19061956 = 8149^2 + 4366^2 .

It is a cyclic number.

It is not a de Polignac number, because 85468157 - 2² = 85468153 is a prime.

It is a Chen prime.

It is equal to p_4969385 and since 85468157 and 4969385 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85468151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42734078 + 42734079.

It is an arithmetic number, because the mean of its divisors is an integer number (42734079).

Almost surely, 2^85468157 is an apocalyptic number.

It is an amenable number.

85468157 is a deficient number, since it is larger than the sum of its proper divisors (1).

85468157 is an equidigital number, since it uses as much as digits as its factorization.

85468157 is an evil number, because the sum of its binary digits is even.

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

The square root of 85468157 is about 9244.8989718655. The cubic root of 85468157 is about 440.4887080241.

The spelling of 85468157 in words is "eighty-five million, four hundred sixty-eight thousand, one hundred fifty-seven".