88213865 has 16 divisors (see below), whose sum is σ = 111659520. Its totient is φ = 66718080.

The previous prime is 88213859. The next prime is 88213897. The reversal of 88213865 is 56831288.

It is not a de Polignac number, because 88213865 - 2¹⁴ = 88197481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88520 + ... + 89510.

It is an arithmetic number, because the mean of its divisors is an integer number (6978720).

Almost surely, 2^88213865 is an apocalyptic number.

It is an amenable number.

88213865 is a deficient number, since it is larger than the sum of its proper divisors (23445655).

88213865 is a wasteful number, since it uses less digits than its factorization.

88213865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its digits is 92160, while the sum is 41.

The square root of 88213865 is about 9392.2236451226. The cubic root of 88213865 is about 445.1560535039.

The spelling of 88213865 in words is "eighty-eight million, two hundred thirteen thousand, eight hundred sixty-five".