76836971619 has 24 divisors (see below), whose sum is σ = 111235640880. Its totient is φ = 51109869888.

The previous prime is 76836971611. The next prime is 76836971669. The reversal of 76836971619 is 91617963867.

76836971619 is a `hidden beast` number, since 7 + 6 + 8 + 3 + 6 + 9 + 7 + 1 + 619 = 666.

It is not a de Polignac number, because 76836971619 - 2³ = 76836971611 is a prime.

It is a super-2 number, since 2×76836971619² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76836971611) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 16042077 + ... + 16046865.

It is an arithmetic number, because the mean of its divisors is an integer number (4634818370).

Almost surely, 2^76836971619 is an apocalyptic number.

76836971619 is a deficient number, since it is larger than the sum of its proper divisors (34398669261).

76836971619 is a wasteful number, since it uses less digits than its factorization.

76836971619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419 (or 8416 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 76836971619 in words is "seventy-six billion, eight hundred thirty-six million, nine hundred seventy-one thousand, six hundred nineteen".