85570193 has 4 divisors (see below), whose sum is σ = 86653440. Its totient is φ = 84486948.

The previous prime is 85570171. The next prime is 85570223. The reversal of 85570193 is 39107558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85570193 - 2¹² = 85566097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85576193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541505 + ... + 541662.

It is an arithmetic number, because the mean of its divisors is an integer number (21663360).

Almost surely, 2^85570193 is an apocalyptic number.

It is an amenable number.

85570193 is a deficient number, since it is larger than the sum of its proper divisors (1083247).

85570193 is a wasteful number, since it uses less digits than its factorization.

85570193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083246.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 85570193 is about 9250.4158284912. The cubic root of 85570193 is about 440.6639305207.

The spelling of 85570193 in words is "eighty-five million, five hundred seventy thousand, one hundred ninety-three".