76761264691 has 8 divisors (see below), whose sum is σ = 77521973984. Its totient is φ = 76000852800.

The previous prime is 76761264667. The next prime is 76761264703. The reversal of 76761264691 is 19646216767.

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 76761264691 - 2¹⁷ = 76761133619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76761264631) 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, 463591 + ... + 606991.

It is an arithmetic number, because the mean of its divisors is an integer number (9690246748).

Almost surely, 2^76761264691 is an apocalyptic number.

76761264691 is a deficient number, since it is larger than the sum of its proper divisors (760709293).

76761264691 is a wasteful number, since it uses less digits than its factorization.

76761264691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148701.

The product of its digits is 4572288, while the sum is 55.

The spelling of 76761264691 in words is "seventy-six billion, seven hundred sixty-one million, two hundred sixty-four thousand, six hundred ninety-one".