85226657 has 4 divisors (see below), whose sum is σ = 87975936. Its totient is φ = 82477380.

The previous prime is 85226639. The next prime is 85226663. The reversal of 85226657 is 75662258.

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 85226657 - 2¹⁰ = 85225633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85226257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374593 + ... + 1374654.

It is an arithmetic number, because the mean of its divisors is an integer number (21993984).

Almost surely, 2^85226657 is an apocalyptic number.

It is an amenable number.

85226657 is a deficient number, since it is larger than the sum of its proper divisors (2749279).

85226657 is a wasteful number, since it uses less digits than its factorization.

85226657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749278.

The product of its digits is 201600, while the sum is 41.

The square root of 85226657 is about 9231.8284754430. The cubic root of 85226657 is about 440.0734329918.

The spelling of 85226657 in words is "eighty-five million, two hundred twenty-six thousand, six hundred fifty-seven".