716121711 has 6 divisors (see below), whose sum is σ = 1034398040. Its totient is φ = 477414468.

The previous prime is 716121683. The next prime is 716121713. The reversal of 716121711 is 117121617.

It is not a de Polignac number, because 716121711 - 2²¹ = 714024559 is a prime.

It is a super-3 number, since 3×716121711³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716121713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39784531 + ... + 39784548.

Almost surely, 2^716121711 is an apocalyptic number.

716121711 is a deficient number, since it is larger than the sum of its proper divisors (318276329).

716121711 is a wasteful number, since it uses less digits than its factorization.

716121711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79569085 (or 79569082 counting only the distinct ones).

The product of its digits is 588, while the sum is 27.

The square root of 716121711 is about 26760.4505006922. The cubic root of 716121711 is about 894.6687749924.

The spelling of 716121711 in words is "seven hundred sixteen million, one hundred twenty-one thousand, seven hundred eleven".