84776997196944 has 800 divisors, whose sum is σ = 277634759238144. Its totient is φ = 24799716864000.

The previous prime is 84776997196847. The next prime is 84776997196949. The reversal of 84776997196944 is 44969179967748.

It is a happy number.

84776997196944 is a `hidden beast` number, since 8 + 477 + 6 + 9 + 9 + 7 + 1 + 96 + 9 + 44 = 666.

It is not an unprimeable number, because it can be changed into a prime (84776997196949) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8292765817 + ... + 8292776039.

Almost surely, 2^{84776997196944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84776997196944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138817379619072).

84776997196944 is an abundant number, since it is smaller than the sum of its proper divisors (192857762041200).

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

84776997196944 is a wasteful number, since it uses less digits than its factorization.

84776997196944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597 (or 10582 counting only the distinct ones).

The product of its digits is 41479796736, while the sum is 90.

The spelling of 84776997196944 in words is "eighty-four trillion, seven hundred seventy-six billion, nine hundred ninety-seven million, one hundred ninety-six thousand, nine hundred forty-four".