77067832781613 has 8 divisors (see below), whose sum is σ = 107224810826688. Its totient is φ = 49144704962144.

The previous prime is 77067832781609. The next prime is 77067832781651. The reversal of 77067832781613 is 31618723876077.

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

It is a cyclic number.

It is not a de Polignac number, because 77067832781613 - 2² = 77067832781609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77067832081613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558462556320 + ... + 558462556457.

It is an arithmetic number, because the mean of its divisors is an integer number (13403101353336).

Almost surely, 2^{77067832781613} is an apocalyptic number.

It is an amenable number.

77067832781613 is a deficient number, since it is larger than the sum of its proper divisors (30156978045075).

77067832781613 is a wasteful number, since it uses less digits than its factorization.

77067832781613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116925112803.

The product of its (nonzero) digits is 99574272, while the sum is 66.

The spelling of 77067832781613 in words is "seventy-seven trillion, sixty-seven billion, eight hundred thirty-two million, seven hundred eighty-one thousand, six hundred thirteen".