88213538 has 32 divisors (see below), whose sum is σ = 156794880. Its totient is φ = 36424080.

The previous prime is 88213537. The next prime is 88213547. The reversal of 88213538 is 83531288.

It is not an unprimeable number, because it can be changed into a prime (88213537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190295 + ... + 190757.

It is an arithmetic number, because the mean of its divisors is an integer number (4899840).

Almost surely, 2^88213538 is an apocalyptic number.

88213538 is a deficient number, since it is larger than the sum of its proper divisors (68581342).

88213538 is a wasteful number, since it uses less digits than its factorization.

88213538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its digits is 46080, while the sum is 38.

The square root of 88213538 is about 9392.2062370883. The cubic root of 88213538 is about 445.1555034536.

The spelling of 88213538 in words is "eighty-eight million, two hundred thirteen thousand, five hundred thirty-eight".