87704632 has 32 divisors (see below), whose sum is σ = 177837120. Its totient is φ = 40391680.

The previous prime is 87704629. The next prime is 87704633. The reversal of 87704632 is 23640778.

It is a junction number, because it is equal to n+sod(n) for n = 87704591 and 87704600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87704633) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 469 + ... + 13252.

It is an arithmetic number, because the mean of its divisors is an integer number (5557410).

Almost surely, 2^87704632 is an apocalyptic number.

It is an amenable number.

87704632 is an abundant number, since it is smaller than the sum of its proper divisors (90132488).

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

87704632 is a wasteful number, since it uses less digits than its factorization.

87704632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13791 (or 13787 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 87704632 is about 9365.0751198269. The cubic root of 87704632 is about 444.2978144258.

The spelling of 87704632 in words is "eighty-seven million, seven hundred four thousand, six hundred thirty-two".