84776977055 has 8 divisors (see below), whose sum is σ = 102632659632. Its totient is φ = 67221390208.

The previous prime is 84776977039. The next prime is 84776977081. The reversal of 84776977055 is 55077967748.

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 84776977055 - 2⁴ = 84776977039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84776976982 and 84776977000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75023309 + ... + 75024438.

It is an arithmetic number, because the mean of its divisors is an integer number (12829082454).

Almost surely, 2^84776977055 is an apocalyptic number.

84776977055 is a deficient number, since it is larger than the sum of its proper divisors (17855682577).

84776977055 is a wasteful number, since it uses less digits than its factorization.

84776977055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150047865.

The product of its (nonzero) digits is 103723200, while the sum is 65.

The spelling of 84776977055 in words is "eighty-four billion, seven hundred seventy-six million, nine hundred seventy-seven thousand, fifty-five".