87245235 has 144 divisors (see below), whose sum is σ = 200138400. Its totient is φ = 35925120.

The previous prime is 87245209. The next prime is 87245239. The reversal of 87245235 is 53254278.

It is not a de Polignac number, because 87245235 - 2⁹ = 87244723 is a prime.

It is a super-2 number, since 2×87245235² = 15223462060410450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87245235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87245239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 800361 + ... + 800469.

It is an arithmetic number, because the mean of its divisors is an integer number (1389850).

Almost surely, 2^87245235 is an apocalyptic number.

87245235 is an abundant number, since it is smaller than the sum of its proper divisors (112893165).

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

87245235 is a wasteful number, since it uses less digits than its factorization.

87245235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 135 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 87245235 is about 9340.5157780499. The cubic root of 87245235 is about 443.5207118044.

The spelling of 87245235 in words is "eighty-seven million, two hundred forty-five thousand, two hundred thirty-five".