87696436 has 12 divisors (see below), whose sum is σ = 157038112. Its totient is φ = 42828408.

The previous prime is 87696359. The next prime is 87696449. The reversal of 87696436 is 63469678.

It is a super-3 number, since 3×87696436³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87696436.

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, 254760 + ... + 255103.

Almost surely, 2^87696436 is an apocalyptic number.

87696436 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

87696436 is a deficient number, since it is larger than the sum of its proper divisors (69341676).

87696436 is a wasteful number, since it uses less digits than its factorization.

87696436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509910 (or 509908 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 87696436 is about 9364.6375263541. The cubic root of 87696436 is about 444.2839741141.

The spelling of 87696436 in words is "eighty-seven million, six hundred ninety-six thousand, four hundred thirty-six".