76939489671 has 24 divisors (see below), whose sum is σ = 112778371440. Its totient is φ = 46622315520.

The previous prime is 76939489663. The next prime is 76939489681. The reversal of 76939489671 is 17698493967.

It is not a de Polignac number, because 76939489671 - 2³ = 76939489663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76939489596 and 76939489605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76939489681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2828391 + ... + 2855463.

It is an arithmetic number, because the mean of its divisors is an integer number (4699098810).

Almost surely, 2^76939489671 is an apocalyptic number.

76939489671 is a deficient number, since it is larger than the sum of its proper divisors (35838881769).

76939489671 is a wasteful number, since it uses less digits than its factorization.

76939489671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34927 (or 34916 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 69.

The spelling of 76939489671 in words is "seventy-six billion, nine hundred thirty-nine million, four hundred eighty-nine thousand, six hundred seventy-one".