84791566 has 8 divisors (see below), whose sum is σ = 133881480. Its totient is φ = 40164408.

The previous prime is 84791561. The next prime is 84791587. The reversal of 84791566 is 66519748.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84791561) 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, 1115641 + ... + 1115716.

It is an arithmetic number, because the mean of its divisors is an integer number (16735185).

Almost surely, 2^84791566 is an apocalyptic number.

84791566 is a deficient number, since it is larger than the sum of its proper divisors (49089914).

84791566 is a wasteful number, since it uses less digits than its factorization.

84791566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231378.

The product of its digits is 362880, while the sum is 46.

The square root of 84791566 is about 9208.2335982533. The cubic root of 84791566 is about 439.3232813678.

The spelling of 84791566 in words is "eighty-four million, seven hundred ninety-one thousand, five hundred sixty-six".