76716664263 has 6 divisors (see below), whose sum is σ = 110812959504. Its totient is φ = 51144442836.

The previous prime is 76716664237. The next prime is 76716664267. The reversal of 76716664263 is 36246661767.

It is not a de Polignac number, because 76716664263 - 2⁵ = 76716664231 is a prime.

It is a super-2 number, since 2×76716664263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76716664267) 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, 4262036895 + ... + 4262036912.

It is an arithmetic number, because the mean of its divisors is an integer number (18468826584).

Almost surely, 2^76716664263 is an apocalyptic number.

76716664263 is a deficient number, since it is larger than the sum of its proper divisors (34096295241).

76716664263 is a wasteful number, since it uses less digits than its factorization.

76716664263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8524073813 (or 8524073810 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 76716664263 in words is "seventy-six billion, seven hundred sixteen million, six hundred sixty-four thousand, two hundred sixty-three".