76987719679 has 8 divisors (see below), whose sum is σ = 83253879632. Its totient is φ = 70770706560.

The previous prime is 76987719649. The next prime is 76987719689. The reversal of 76987719679 is 97691778967.

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 76987719679 - 2⁹ = 76987719167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76987719629) 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, 12283449 + ... + 12289714.

It is an arithmetic number, because the mean of its divisors is an integer number (10406734954).

Almost surely, 2^76987719679 is an apocalyptic number.

76987719679 is a deficient number, since it is larger than the sum of its proper divisors (6266159953).

76987719679 is a wasteful number, since it uses less digits than its factorization.

76987719679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24573417.

The product of its digits is 504094752, while the sum is 76.

The spelling of 76987719679 in words is "seventy-six billion, nine hundred eighty-seven million, seven hundred nineteen thousand, six hundred seventy-nine".