84443215662816 has 48 divisors (see below), whose sum is σ = 227654344938384. Its totient is φ = 27386988862464.

The previous prime is 84443215662811. The next prime is 84443215662821. The reversal of 84443215662816 is 61826651234448.

It is an interprime number because it is at equal distance from previous prime (84443215662811) and next prime (84443215662821).

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

It is a self number, because there is not a number n which added to its sum of digits gives 84443215662816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84443215662811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11886710365 + ... + 11886717468.

It is an arithmetic number, because the mean of its divisors is an integer number (4742798852883).

Almost surely, 2^{84443215662816} is an apocalyptic number.

It is an amenable number.

84443215662816 is an abundant number, since it is smaller than the sum of its proper divisors (143211129275568).

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

84443215662816 is a wasteful number, since it uses less digits than its factorization.

84443215662816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23773427883 (or 23773427875 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 60.

The spelling of 84443215662816 in words is "eighty-four trillion, four hundred forty-three billion, two hundred fifteen million, six hundred sixty-two thousand, eight hundred sixteen".