88213864 has 8 divisors (see below), whose sum is σ = 165401010. Its totient is φ = 44106928.

The previous prime is 88213859. The next prime is 88213897. The reversal of 88213864 is 46831288.

It can be written as a sum of positive squares in only one way, i.e., 87272964 + 940900 = 9342^2 + 970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513359 + ... + 5513374.

Almost surely, 2^88213864 is an apocalyptic number.

It is an amenable number.

88213864 is a deficient number, since it is larger than the sum of its proper divisors (77187146).

88213864 is a wasteful number, since it uses less digits than its factorization.

88213864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026739 (or 11026735 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 88213864 is about 9392.2235918871. The cubic root of 88213864 is about 445.1560518218.

The spelling of 88213864 in words is "eighty-eight million, two hundred thirteen thousand, eight hundred sixty-four".