766399634452 has 6 divisors (see below), whose sum is σ = 1341199360298. Its totient is φ = 383199817224.

The previous prime is 766399634431. The next prime is 766399634491. The reversal of 766399634452 is 254436993667.

It can be written as a sum of positive squares in only one way, i.e., 742003068816 + 24396565636 = 861396^2 + 156194^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95799954303 + ... + 95799954310.

Almost surely, 2^766399634452 is an apocalyptic number.

It is an amenable number.

766399634452 is a deficient number, since it is larger than the sum of its proper divisors (574799725846).

766399634452 is a wasteful number, since it uses less digits than its factorization.

766399634452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191599908617 (or 191599908615 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 64.

The spelling of 766399634452 in words is "seven hundred sixty-six billion, three hundred ninety-nine million, six hundred thirty-four thousand, four hundred fifty-two".