87453432 has 80 divisors (see below), whose sum is σ = 267240600. Its totient is φ = 26498880.

The previous prime is 87453419. The next prime is 87453433. The reversal of 87453432 is 23435478.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87453433) 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, 994 + ... + 13262.

Almost surely, 2^87453432 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 87453432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133620300).

87453432 is an abundant number, since it is smaller than the sum of its proper divisors (179787168).

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

87453432 is a wasteful number, since it uses less digits than its factorization.

87453432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12298 (or 12285 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 87453432 is about 9351.6539713572. The cubic root of 87453432 is about 443.8732289648.

The spelling of 87453432 in words is "eighty-seven million, four hundred fifty-three thousand, four hundred thirty-two".