76986641338 has 8 divisors (see below), whose sum is σ = 116777489940. Its totient is φ = 38060811360.

The previous prime is 76986641327. The next prime is 76986641339. The reversal of 76986641338 is 83314668967.

It can be written as a sum of positive squares in 2 ways, for example, as 76871444049 + 115197289 = 277257^2 + 10733^2 .

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

It is not an unprimeable number, because it can be changed into a prime (76986641339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216254433 + ... + 216254788.

Almost surely, 2^76986641338 is an apocalyptic number.

76986641338 is a deficient number, since it is larger than the sum of its proper divisors (39790848602).

76986641338 is a wasteful number, since it uses less digits than its factorization.

76986641338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432509312.

The product of its digits is 31352832, while the sum is 61.

The spelling of 76986641338 in words is "seventy-six billion, nine hundred eighty-six million, six hundred forty-one thousand, three hundred thirty-eight".