84775417 has 4 divisors (see below), whose sum is σ = 84808080. Its totient is φ = 84742756.

The previous prime is 84775409. The next prime is 84775423. The reversal of 84775417 is 71457748.

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 84775417 - 2³ = 84775409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84775517) 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, 12067 + ... + 17752.

It is an arithmetic number, because the mean of its divisors is an integer number (21202020).

Almost surely, 2^84775417 is an apocalyptic number.

It is an amenable number.

84775417 is a deficient number, since it is larger than the sum of its proper divisors (32663).

84775417 is a wasteful number, since it uses less digits than its factorization.

84775417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32662.

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

The square root of 84775417 is about 9207.3566782220. The cubic root of 84775417 is about 439.2953891199.

The spelling of 84775417 in words is "eighty-four million, seven hundred seventy-five thousand, four hundred seventeen".