77346944485 has 16 divisors (see below), whose sum is σ = 98241212160. Its totient is φ = 58296957120.

The previous prime is 77346944473. The next prime is 77346944489. The reversal of 77346944485 is 58444964377.

It is not a de Polignac number, because 77346944485 - 2²⁹ = 76810073573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77346944489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2231917 + ... + 2266306.

It is an arithmetic number, because the mean of its divisors is an integer number (6140075760).

Almost surely, 2^77346944485 is an apocalyptic number.

It is an amenable number.

77346944485 is a deficient number, since it is larger than the sum of its proper divisors (20894267675).

77346944485 is a wasteful number, since it uses less digits than its factorization.

77346944485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498428.

The product of its digits is 81285120, while the sum is 61.

The spelling of 77346944485 in words is "seventy-seven billion, three hundred forty-six million, nine hundred forty-four thousand, four hundred eighty-five".