84791660 has 24 divisors (see below), whose sum is σ = 179795616. Its totient is φ = 33586560.

The previous prime is 84791653. The next prime is 84791669. The reversal of 84791660 is 6619748.

It is not an unprimeable number, because it can be changed into a prime (84791669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18521 + ... + 22640.

It is an arithmetic number, because the mean of its divisors is an integer number (7491484).

Almost surely, 2^84791660 is an apocalyptic number.

It is an amenable number.

84791660 is an abundant number, since it is smaller than the sum of its proper divisors (95003956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84791660 is a wasteful number, since it uses less digits than its factorization.

84791660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41273 (or 41271 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 84791660 is about 9208.2387023795. The cubic root of 84791660 is about 439.3234437124.

The spelling of 84791660 in words is "eighty-four million, seven hundred ninety-one thousand, six hundred sixty".