84972711 has 8 divisors (see below), whose sum is σ = 113340784. Its totient is φ = 56626560.

The previous prime is 84972709. The next prime is 84972721. The reversal of 84972711 is 11727948.

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

It is not a de Polignac number, because 84972711 - 2¹ = 84972709 is a prime.

It is a super-2 number, since 2×84972711² = 14440723229379042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84972711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84972721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9141 + ... + 15921.

It is an arithmetic number, because the mean of its divisors is an integer number (14167598).

Almost surely, 2^84972711 is an apocalyptic number.

84972711 is a deficient number, since it is larger than the sum of its proper divisors (28368073).

84972711 is a wasteful number, since it uses less digits than its factorization.

84972711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961.

The product of its digits is 28224, while the sum is 39.

The square root of 84972711 is about 9218.0643846743. The cubic root of 84972711 is about 439.6359092050.

The spelling of 84972711 in words is "eighty-four million, nine hundred seventy-two thousand, seven hundred eleven".