84087842895 has 48 divisors (see below), whose sum is σ = 166594439232. Its totient is φ = 38435443200.

The previous prime is 84087842893. The next prime is 84087842897. The reversal of 84087842895 is 59824878048.

84087842895 is a `hidden beast` number, since 8 + 40 + 87 + 8 + 428 + 95 = 666.

It is an interprime number because it is at equal distance from previous prime (84087842893) and next prime (84087842897).

It is not a de Polignac number, because 84087842895 - 2¹ = 84087842893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84087842893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4842649 + ... + 4859981.

It is an arithmetic number, because the mean of its divisors is an integer number (3470717484).

Almost surely, 2^84087842895 is an apocalyptic number.

84087842895 is a deficient number, since it is larger than the sum of its proper divisors (82506596337).

84087842895 is a wasteful number, since it uses less digits than its factorization.

84087842895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32752 (or 32749 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 63.

The spelling of 84087842895 in words is "eighty-four billion, eighty-seven million, eight hundred forty-two thousand, eight hundred ninety-five".