84556801 has 12 divisors (see below), whose sum is σ = 100763460. Its totient is φ = 70707840.

The previous prime is 84556789. The next prime is 84556841. The reversal of 84556801 is 10865548.

It can be written as a sum of positive squares in 2 ways, for example, as 48316401 + 36240400 = 6951^2 + 6020^2 .

It is not a de Polignac number, because 84556801 - 2¹³ = 84548609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84556841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19036 + ... + 23053.

It is an arithmetic number, because the mean of its divisors is an integer number (8396955).

Almost surely, 2^84556801 is an apocalyptic number.

It is an amenable number.

84556801 is a deficient number, since it is larger than the sum of its proper divisors (16206659).

84556801 is a wasteful number, since it uses less digits than its factorization.

84556801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42144 (or 42137 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 84556801 is about 9195.4772034952. The cubic root of 84556801 is about 438.9174506601.

The spelling of 84556801 in words is "eighty-four million, five hundred fifty-six thousand, eight hundred one".