997076711 has 2 divisors, whose sum is σ = 997076712. Its totient is φ = 997076710.

The previous prime is 997076669. The next prime is 997076713. The reversal of 997076711 is 117670799.

It is a strong prime.

It is an emirp because it is prime and its reverse (117670799) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-997076711 is a prime.

Together with 997076713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997076713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498538355 + 498538356.

It is an arithmetic number, because the mean of its divisors is an integer number (498538356).

Almost surely, 2^997076711 is an apocalyptic number.

997076711 is a deficient number, since it is larger than the sum of its proper divisors (1).

997076711 is an equidigital number, since it uses as much as digits as its factorization.

997076711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 166698, while the sum is 47.

The square root of 997076711 is about 31576.5215152018. The cubic root of 997076711 is about 999.0246192751.

The spelling of 997076711 in words is "nine hundred ninety-seven million, seventy-six thousand, seven hundred eleven".