711970986 has 64 divisors (see below), whose sum is σ = 1524096000. Its totient is φ = 221337600.

The previous prime is 711970981. The next prime is 711970997. The reversal of 711970986 is 689079117.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (711970981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 678190 + ... + 679238.

It is an arithmetic number, because the mean of its divisors is an integer number (23814000).

Almost surely, 2^711970986 is an apocalyptic number.

711970986 is an abundant number, since it is smaller than the sum of its proper divisors (812125014).

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

711970986 is a wasteful number, since it uses less digits than its factorization.

711970986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 190512, while the sum is 48.

The square root of 711970986 is about 26682.7844499033. The cubic root of 711970986 is about 892.9368897280.

The spelling of 711970986 in words is "seven hundred eleven million, nine hundred seventy thousand, nine hundred eighty-six".