711985982 has 8 divisors (see below), whose sum is σ = 1068244200. Its totient is φ = 355904584.

The previous prime is 711985969. The next prime is 711985987. The reversal of 711985982 is 289589117.

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

It is a self number, because there is not a number n which added to its sum of digits gives 711985982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711985987) 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, 33632 + ... + 50547.

It is an arithmetic number, because the mean of its divisors is an integer number (133530525).

Almost surely, 2^711985982 is an apocalyptic number.

711985982 is a deficient number, since it is larger than the sum of its proper divisors (356258218).

711985982 is a wasteful number, since it uses less digits than its factorization.

711985982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88410.

The product of its digits is 362880, while the sum is 50.

The square root of 711985982 is about 26683.0654535794. The cubic root of 711985982 is about 892.9431588915.

The spelling of 711985982 in words is "seven hundred eleven million, nine hundred eighty-five thousand, nine hundred eighty-two".