716888437 has 2 divisors, whose sum is σ = 716888438. Its totient is φ = 716888436.

The previous prime is 716888429. The next prime is 716888477. The reversal of 716888437 is 734888617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 671379921 + 45508516 = 25911^2 + 6746^2 .

It is a cyclic number.

It is not a de Polignac number, because 716888437 - 2³ = 716888429 is a prime.

It is a super-2 number, since 2×716888437² = 1027858062208605938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716888477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358444218 + 358444219.

It is an arithmetic number, because the mean of its divisors is an integer number (358444219).

Almost surely, 2^716888437 is an apocalyptic number.

It is an amenable number.

716888437 is a deficient number, since it is larger than the sum of its proper divisors (1).

716888437 is an equidigital number, since it uses as much as digits as its factorization.

716888437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 52.

The square root of 716888437 is about 26774.7723986592. The cubic root of 716888437 is about 894.9879577669.

The spelling of 716888437 in words is "seven hundred sixteen million, eight hundred eighty-eight thousand, four hundred thirty-seven".