87469632 has 140 divisors (see below), whose sum is σ = 265541760. Its totient is φ = 28456704.

The previous prime is 87469601. The next prime is 87469637. The reversal of 87469632 is 23696478.

87469632 is a `hidden beast` number, since 8 + 7 + 4 + 6 + 9 + 632 = 666.

It is not an unprimeable number, because it can be changed into a prime (87469637) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 243469 + ... + 243827.

Almost surely, 2^87469632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87469632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132770880).

87469632 is an abundant number, since it is smaller than the sum of its proper divisors (178072128).

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

87469632 is a wasteful number, since it uses less digits than its factorization.

87469632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 411 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 87469632 is about 9352.5200881901. The cubic root of 87469632 is about 443.9006351785.

The spelling of 87469632 in words is "eighty-seven million, four hundred sixty-nine thousand, six hundred thirty-two".