87452836 has 12 divisors (see below), whose sum is σ = 156775500. Its totient is φ = 42659840.

The previous prime is 87452821. The next prime is 87452843. The reversal of 87452836 is 63825478.

It can be written as a sum of positive squares in 2 ways, for example, as 18662400 + 68790436 = 4320^2 + 8294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87452792 and 87452801.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 266461 + ... + 266788.

It is an arithmetic number, because the mean of its divisors is an integer number (13064625).

Almost surely, 2^87452836 is an apocalyptic number.

It is an amenable number.

87452836 is a deficient number, since it is larger than the sum of its proper divisors (69322664).

87452836 is a wasteful number, since it uses less digits than its factorization.

87452836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533294 (or 533292 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 87452836 is about 9351.6221052821. The cubic root of 87452836 is about 443.8722206223.

It can be divided in two parts, 87452 and 836, that added together give a palindrome (88288).

The spelling of 87452836 in words is "eighty-seven million, four hundred fifty-two thousand, eight hundred thirty-six".