84681801 has 16 divisors (see below), whose sum is σ = 129502720. Its totient is φ = 54632880.

The previous prime is 84681781. The next prime is 84681853. The reversal of 84681801 is 10818648.

It is not a de Polignac number, because 84681801 - 2⁷ = 84681673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84681871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49750 + ... + 51423.

It is an arithmetic number, because the mean of its divisors is an integer number (8093920).

Almost surely, 2^84681801 is an apocalyptic number.

It is an amenable number.

84681801 is a deficient number, since it is larger than the sum of its proper divisors (44820919).

84681801 is a wasteful number, since it uses less digits than its factorization.

84681801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101213 (or 101207 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 84681801 is about 9202.2715130559. The cubic root of 84681801 is about 439.1336275079.

The spelling of 84681801 in words is "eighty-four million, six hundred eighty-one thousand, eight hundred one".