76761264647 has 8 divisors (see below), whose sum is σ = 82052339040. Its totient is φ = 71632992640.

The previous prime is 76761264631. The next prime is 76761264667. The reversal of 76761264647 is 74646216767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76761264647 - 2⁴ = 76761264631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76761264592 and 76761264601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76761264667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40699622 + ... + 40701507.

It is an arithmetic number, because the mean of its divisors is an integer number (10256542380).

Almost surely, 2^76761264647 is an apocalyptic number.

76761264647 is a deficient number, since it is larger than the sum of its proper divisors (5291074393).

76761264647 is a wasteful number, since it uses less digits than its factorization.

76761264647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81401193.

The product of its digits is 14224896, while the sum is 56.

The spelling of 76761264647 in words is "seventy-six billion, seven hundred sixty-one million, two hundred sixty-four thousand, six hundred forty-seven".