84577201 has 4 divisors (see below), whose sum is σ = 84628852. Its totient is φ = 84525552.

The previous prime is 84577177. The next prime is 84577217. The reversal of 84577201 is 10277548.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26832400 + 57744801 = 5180^2 + 7599^2 .

It is a cyclic number.

It is not a de Polignac number, because 84577201 - 2¹⁷ = 84446129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84577231) 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, 23286 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (21157213).

Almost surely, 2^84577201 is an apocalyptic number.

It is an amenable number.

84577201 is a deficient number, since it is larger than the sum of its proper divisors (51651).

84577201 is a wasteful number, since it uses less digits than its factorization.

84577201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51650.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 84577201 is about 9196.5863775642. The cubic root of 84577201 is about 438.9527452625.

The spelling of 84577201 in words is "eighty-four million, five hundred seventy-seven thousand, two hundred one".