84557201 has 8 divisors (see below), whose sum is σ = 94243680. Its totient is φ = 75394368.

The previous prime is 84557159. The next prime is 84557219. The reversal of 84557201 is 10275548.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84557201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84557261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130571 + ... + 131216.

It is an arithmetic number, because the mean of its divisors is an integer number (11780460).

Almost surely, 2^84557201 is an apocalyptic number.

It is an amenable number.

84557201 is a deficient number, since it is larger than the sum of its proper divisors (9686479).

84557201 is a wasteful number, since it uses less digits than its factorization.

84557201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261823.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 84557201 is about 9195.4989532923. The cubic root of 84557201 is about 438.9181427657.

The spelling of 84557201 in words is "eighty-four million, five hundred fifty-seven thousand, two hundred one".