85417774 has 8 divisors (see below), whose sum is σ = 137982600. Its totient is φ = 39423576.

The previous prime is 85417771. The next prime is 85417777. The reversal of 85417774 is 47771458.

It is an interprime number because it is at equal distance from previous prime (85417771) and next prime (85417777).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85417774² = 14592392230230152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85417774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85417771) 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, 1642624 + ... + 1642675.

It is an arithmetic number, because the mean of its divisors is an integer number (17247825).

Almost surely, 2^85417774 is an apocalyptic number.

85417774 is a deficient number, since it is larger than the sum of its proper divisors (52564826).

85417774 is a wasteful number, since it uses less digits than its factorization.

85417774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285314.

The product of its digits is 219520, while the sum is 43.

The square root of 85417774 is about 9242.1736620776. The cubic root of 85417774 is about 440.4021358016.

The spelling of 85417774 in words is "eighty-five million, four hundred seventeen thousand, seven hundred seventy-four".