88120213 has 4 divisors (see below), whose sum is σ = 88227340. Its totient is φ = 88013088.

The previous prime is 88120189. The next prime is 88120223. The reversal of 88120213 is 31202188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53333809 + 34786404 = 7303^2 + 5898^2 .

It is a cyclic number.

It is not a de Polignac number, because 88120213 - 2¹⁷ = 87989141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88120223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52320 + ... + 53977.

It is an arithmetic number, because the mean of its divisors is an integer number (22056835).

Almost surely, 2^88120213 is an apocalyptic number.

It is an amenable number.

88120213 is a deficient number, since it is larger than the sum of its proper divisors (107127).

88120213 is a wasteful number, since it uses less digits than its factorization.

88120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107126.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 88120213 is about 9387.2367073596. The cubic root of 88120213 is about 444.9984648350.

The spelling of 88120213 in words is "eighty-eight million, one hundred twenty thousand, two hundred thirteen".