88478215217 has 16 divisors (see below), whose sum is σ = 101384393472. Its totient is φ = 75638906880.

The previous prime is 88478215201. The next prime is 88478215279. The reversal of 88478215217 is 71251287488.

It is a cyclic number.

It is not a de Polignac number, because 88478215217 - 2⁴ = 88478215201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88478212217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4373708 + ... + 4393890.

It is an arithmetic number, because the mean of its divisors is an integer number (6336524592).

Almost surely, 2^88478215217 is an apocalyptic number.

It is an amenable number.

88478215217 is a deficient number, since it is larger than the sum of its proper divisors (12906178255).

88478215217 is a wasteful number, since it uses less digits than its factorization.

88478215217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21808.

The product of its digits is 2007040, while the sum is 53.

The spelling of 88478215217 in words is "eighty-eight billion, four hundred seventy-eight million, two hundred fifteen thousand, two hundred seventeen".