85442093 has 6 divisors (see below), whose sum is σ = 93915822. Its totient is φ = 77674520.

The previous prime is 85442083. The next prime is 85442101. The reversal of 85442093 is 39024458.

It can be written as a sum of positive squares in only one way, i.e., 76090729 + 9351364 = 8723^2 + 3058^2 .

It is not a de Polignac number, because 85442093 - 2¹² = 85437997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85442003) 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, 352946 + ... + 353187.

It is an arithmetic number, because the mean of its divisors is an integer number (15652637).

Almost surely, 2^85442093 is an apocalyptic number.

It is an amenable number.

85442093 is a deficient number, since it is larger than the sum of its proper divisors (8473729).

85442093 is a wasteful number, since it uses less digits than its factorization.

85442093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706155 (or 706144 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 85442093 is about 9243.4892221498. The cubic root of 85442093 is about 440.4439269604.

The spelling of 85442093 in words is "eighty-five million, four hundred forty-two thousand, ninety-three".