84712665 has 8 divisors (see below), whose sum is σ = 135540288. Its totient is φ = 45180080.

The previous prime is 84712643. The next prime is 84712669. The reversal of 84712665 is 56621748.

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

It is not a de Polignac number, because 84712665 - 2⁵ = 84712633 is a prime.

It is a super-2 number, since 2×84712665² = 14352471222804450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84712669) 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, 2823741 + ... + 2823770.

It is an arithmetic number, because the mean of its divisors is an integer number (16942536).

Almost surely, 2^84712665 is an apocalyptic number.

It is an amenable number.

84712665 is a deficient number, since it is larger than the sum of its proper divisors (50827623).

84712665 is a wasteful number, since it uses less digits than its factorization.

84712665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647519.

The product of its digits is 80640, while the sum is 39.

The square root of 84712665 is about 9203.9483375343. The cubic root of 84712665 is about 439.1869714135.

The spelling of 84712665 in words is "eighty-four million, seven hundred twelve thousand, six hundred sixty-five".