87436312 has 16 divisors (see below), whose sum is σ = 165448800. Its totient is φ = 43316640.

The previous prime is 87436303. The next prime is 87436333. The reversal of 87436312 is 21363478.

It is a happy number.

It is a super-2 number, since 2×87436312² = 15290217312322688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49264 + ... + 51007.

It is an arithmetic number, because the mean of its divisors is an integer number (10340550).

Almost surely, 2^87436312 is an apocalyptic number.

It is an amenable number.

87436312 is a deficient number, since it is larger than the sum of its proper divisors (78012488).

87436312 is a wasteful number, since it uses less digits than its factorization.

87436312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100386 (or 100382 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 87436312 is about 9350.7385804545. The cubic root of 87436312 is about 443.8442626703.

The spelling of 87436312 in words is "eighty-seven million, four hundred thirty-six thousand, three hundred twelve".