84217588005 has 64 divisors (see below), whose sum is σ = 145826811648. Its totient is φ = 41350041600.

The previous prime is 84217588001. The next prime is 84217588009. The reversal of 84217588005 is 50088571248.

It is an interprime number because it is at equal distance from previous prime (84217588001) and next prime (84217588009).

It is not a de Polignac number, because 84217588005 - 2² = 84217588001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84217588001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2117967 + ... + 2157363.

It is an arithmetic number, because the mean of its divisors is an integer number (2278543932).

Almost surely, 2^84217588005 is an apocalyptic number.

84217588005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84217588005 is a deficient number, since it is larger than the sum of its proper divisors (61609223643).

84217588005 is a wasteful number, since it uses less digits than its factorization.

84217588005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39606.

The product of its (nonzero) digits is 716800, while the sum is 48.

The spelling of 84217588005 in words is "eighty-four billion, two hundred seventeen million, five hundred eighty-eight thousand, five".