88646420005 has 128 divisors (see below), whose sum is σ = 131681894400. Its totient is φ = 56423884800.

The previous prime is 88646419973. The next prime is 88646420069. The reversal of 88646420005 is 50002464688.

It is not a de Polignac number, because 88646420005 - 2⁵ = 88646419973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 185065356 + ... + 185065834.

It is an arithmetic number, because the mean of its divisors is an integer number (1028764800).

Almost surely, 2^88646420005 is an apocalyptic number.

It is an amenable number.

88646420005 is a deficient number, since it is larger than the sum of its proper divisors (43035474395).

88646420005 is a wasteful number, since it uses less digits than its factorization.

88646420005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 88646420005 in words is "eighty-eight billion, six hundred forty-six million, four hundred twenty thousand, five".