76567678989 has 32 divisors (see below), whose sum is σ = 109982759040. Its totient is φ = 47204524032.

The previous prime is 76567678981. The next prime is 76567679053. The reversal of 76567678989 is 98987676567.

76567678989 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 76567678989 - 2³ = 76567678981 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76567678981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7448157 + ... + 7458429.

It is an arithmetic number, because the mean of its divisors is an integer number (3436961220).

Almost surely, 2^76567678989 is an apocalyptic number.

It is an amenable number.

76567678989 is a deficient number, since it is larger than the sum of its proper divisors (33415080051).

76567678989 is a wasteful number, since it uses less digits than its factorization.

76567678989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12829.

The product of its digits is 1920360960, while the sum is 78.

The spelling of 76567678989 in words is "seventy-six billion, five hundred sixty-seven million, six hundred seventy-eight thousand, nine hundred eighty-nine".