84776977056 has 48 divisors (see below), whose sum is σ = 225040032000. Its totient is φ = 27941472768.

The previous prime is 84776977039. The next prime is 84776977081. The reversal of 84776977056 is 65077967748.

It is a tau number, because it is divible by the number of its divisors (48).

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, 4952656 + ... + 4969743.

It is an arithmetic number, because the mean of its divisors is an integer number (4688334000).

Almost surely, 2^84776977056 is an apocalyptic number.

It is an amenable number.

84776977056 is an abundant number, since it is smaller than the sum of its proper divisors (140263054944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84776977056 is a wasteful number, since it uses less digits than its factorization.

84776977056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922501 (or 9922493 counting only the distinct ones).

The product of its (nonzero) digits is 124467840, while the sum is 66.

The spelling of 84776977056 in words is "eighty-four billion, seven hundred seventy-six million, nine hundred seventy-seven thousand, fifty-six".