77728441414582 has 16 divisors (see below), whose sum is σ = 133249294656000. Its totient is φ = 33312054691368.

The previous prime is 77728441414571. The next prime is 77728441414703. The reversal of 77728441414582 is 28541414482777.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7574958 + ... + 14588929.

It is an arithmetic number, because the mean of its divisors is an integer number (8328080916000).

Almost surely, 2^{77728441414582} is an apocalyptic number.

77728441414582 is a deficient number, since it is larger than the sum of its proper divisors (55520853241418).

77728441414582 is a wasteful number, since it uses less digits than its factorization.

77728441414582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22414395.

The product of its digits is 112394240, while the sum is 64.

The spelling of 77728441414582 in words is "seventy-seven trillion, seven hundred twenty-eight billion, four hundred forty-one million, four hundred fourteen thousand, five hundred eighty-two".