77032068879 has 4 divisors (see below), whose sum is σ = 102709425176. Its totient is φ = 51354712584.

The previous prime is 77032068877. The next prime is 77032068881. The reversal of 77032068879 is 97886023077.

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

It is an interprime number because it is at equal distance from previous prime (77032068877) and next prime (77032068881).

It is not a de Polignac number, because 77032068879 - 2¹ = 77032068877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77032068877) 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, 12838678144 + ... + 12838678149.

It is an arithmetic number, because the mean of its divisors is an integer number (25677356294).

Almost surely, 2^77032068879 is an apocalyptic number.

77032068879 is a deficient number, since it is larger than the sum of its proper divisors (25677356297).

77032068879 is a wasteful number, since it uses less digits than its factorization.

77032068879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25677356296.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 77032068879 in words is "seventy-seven billion, thirty-two million, sixty-eight thousand, eight hundred seventy-nine".