88217955 has 48 divisors (see below), whose sum is σ = 176517120. Its totient is φ = 39921984.

The previous prime is 88217933. The next prime is 88217959. The reversal of 88217955 is 55971288.

It is a happy number.

It is not a de Polignac number, because 88217955 - 2⁵ = 88217923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 88217955.

It is not an unprimeable number, because it can be changed into a prime (88217959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31086 + ... + 33804.

It is an arithmetic number, because the mean of its divisors is an integer number (3677440).

Almost surely, 2^88217955 is an apocalyptic number.

88217955 is an abundant number, since it is smaller than the sum of its proper divisors (88299165).

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

88217955 is a wasteful number, since it uses less digits than its factorization.

88217955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2837 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 88217955 is about 9392.4413759150. The cubic root of 88217955 is about 445.1629332241.

The spelling of 88217955 in words is "eighty-eight million, two hundred seventeen thousand, nine hundred fifty-five".