761716463866 has 4 divisors (see below), whose sum is σ = 1142574695802. Its totient is φ = 380858231932.

The previous prime is 761716463863. The next prime is 761716463929. The reversal of 761716463866 is 668364617167.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 709167778641 + 52548685225 = 842121^2 + 229235^2 .

It is not an unprimeable number, because it can be changed into a prime (761716463863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190429115965 + ... + 190429115968.

Almost surely, 2^761716463866 is an apocalyptic number.

761716463866 is a deficient number, since it is larger than the sum of its proper divisors (380858231936).

761716463866 is a wasteful number, since it uses less digits than its factorization.

761716463866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380858231935.

The product of its digits is 36578304, while the sum is 61.

The spelling of 761716463866 in words is "seven hundred sixty-one billion, seven hundred sixteen million, four hundred sixty-three thousand, eight hundred sixty-six".