77764011580839 has 8 divisors (see below), whose sum is σ = 109142472394240. Its totient is φ = 49114112577336.

The previous prime is 77764011580781. The next prime is 77764011580873. The reversal of 77764011580839 is 93808511046777.

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

It is not a de Polignac number, because 77764011580839 - 2²⁹ = 77763474709927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77764011580839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77764011580139) 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, 682140452407 + ... + 682140452520.

It is an arithmetic number, because the mean of its divisors is an integer number (13642809049280).

Almost surely, 2^{77764011580839} is an apocalyptic number.

77764011580839 is a deficient number, since it is larger than the sum of its proper divisors (31378460813401).

77764011580839 is a wasteful number, since it uses less digits than its factorization.

77764011580839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364280904949.

The product of its (nonzero) digits is 71124480, while the sum is 66.

The spelling of 77764011580839 in words is "seventy-seven trillion, seven hundred sixty-four billion, eleven million, five hundred eighty thousand, eight hundred thirty-nine".