76619960689 has 16 divisors (see below), whose sum is σ = 79052382864. Its totient is φ = 74216243200.

The previous prime is 76619960647. The next prime is 76619960699. The reversal of 76619960689 is 98606991667.

It can be written as a sum of positive squares in 8 ways, for example, as 20340464400 + 56279496289 = 142620^2 + 237233^2 .

It is a cyclic number.

It is not a de Polignac number, because 76619960689 - 2¹⁵ = 76619927921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76619960629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360849 + ... + 3383569.

It is an arithmetic number, because the mean of its divisors is an integer number (4940773929).

Almost surely, 2^76619960689 is an apocalyptic number.

It is an amenable number.

76619960689 is a deficient number, since it is larger than the sum of its proper divisors (2432422175).

76619960689 is a wasteful number, since it uses less digits than its factorization.

76619960689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23348.

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 76619960689 in words is "seventy-six billion, six hundred nineteen million, nine hundred sixty thousand, six hundred eighty-nine".