711988894 has 8 divisors (see below), whose sum is σ = 1068117840. Its totient is φ = 355949616.

The previous prime is 711988867. The next prime is 711988933. The reversal of 711988894 is 498889117.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367 + ... + 37885.

It is an arithmetic number, because the mean of its divisors is an integer number (133514730).

Almost surely, 2^711988894 is an apocalyptic number.

711988894 is a deficient number, since it is larger than the sum of its proper divisors (356128946).

711988894 is a wasteful number, since it uses less digits than its factorization.

711988894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44834.

The product of its digits is 1161216, while the sum is 55.

The square root of 711988894 is about 26683.1200199677. The cubic root of 711988894 is about 892.9443762595.

The spelling of 711988894 in words is "seven hundred eleven million, nine hundred eighty-eight thousand, eight hundred ninety-four".