8085457 has 4 divisors (see below), whose sum is σ = 8257536. Its totient is φ = 7913380.

The previous prime is 8085449. The next prime is 8085481. The reversal of 8085457 is 7545808.

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 8085457 - 2³ = 8085449 is a prime.

It is a super-2 number, since 2×8085457² = 130749229797698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8085437) 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, 85969 + ... + 86062.

It is an arithmetic number, because the mean of its divisors is an integer number (2064384).

Almost surely, 2^8085457 is an apocalyptic number.

It is an amenable number.

8085457 is a deficient number, since it is larger than the sum of its proper divisors (172079).

8085457 is a wasteful number, since it uses less digits than its factorization.

8085457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172078.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 8085457 is about 2843.4938016461. The cubic root of 8085457 is about 200.7096208799.

The spelling of 8085457 in words is "eight million, eighty-five thousand, four hundred fifty-seven".