87264704836 has 9 divisors (see below), whose sum is σ = 152714267391. Its totient is φ = 43632057012.

The previous prime is 87264704803. The next prime is 87264704939. The reversal of 87264704836 is 63840746278.

The square root of 87264704836 is 295406.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×87264704836² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 516961 + ... + 664663.

Almost surely, 2^87264704836 is an apocalyptic number.

87264704836 is the 295406-th square number.

It is an amenable number.

87264704836 is a deficient number, since it is larger than the sum of its proper divisors (65449562555).

87264704836 is an frugal number, since it uses more digits than its factorization.

87264704836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295410 (or 147705 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 55.

It can be divided in two parts, 87264 and 704836, that added together give a square (792100 = 890²).

The spelling of 87264704836 in words is "eighty-seven billion, two hundred sixty-four million, seven hundred four thousand, eight hundred thirty-six".