76608909547 has 4 divisors (see below), whose sum is σ = 76768845120. Its totient is φ = 76448973976.

The previous prime is 76608909539. The next prime is 76608909571. The reversal of 76608909547 is 74590980667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76608909547 - 2³ = 76608909539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76608979547) 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, 79967068 + ... + 79968025.

It is an arithmetic number, because the mean of its divisors is an integer number (19192211280).

Almost surely, 2^76608909547 is an apocalyptic number.

76608909547 is a deficient number, since it is larger than the sum of its proper divisors (159935573).

76608909547 is a wasteful number, since it uses less digits than its factorization.

76608909547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159935572.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 76608909547 in words is "seventy-six billion, six hundred eight million, nine hundred nine thousand, five hundred forty-seven".