84776974944 has 24 divisors (see below), whose sum is σ = 222539559480. Its totient is φ = 28258991616.

The previous prime is 84776974907. The next prime is 84776974967. The reversal of 84776974944 is 44947967748.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441546649 + ... + 441546840.

It is an arithmetic number, because the mean of its divisors is an integer number (9272481645).

Almost surely, 2^84776974944 is an apocalyptic number.

It is an amenable number.

84776974944 is an abundant number, since it is smaller than the sum of its proper divisors (137762584536).

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

84776974944 is a wasteful number, since it uses less digits than its factorization.

84776974944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883093502 (or 883093494 counting only the distinct ones).

The product of its digits is 341397504, while the sum is 69.

The spelling of 84776974944 in words is "eighty-four billion, seven hundred seventy-six million, nine hundred seventy-four thousand, nine hundred forty-four".