87429588 has 24 divisors (see below), whose sum is σ = 208344192. Its totient is φ = 28522944.

The previous prime is 87429571. The next prime is 87429599. The reversal of 87429588 is 88592478.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 87429588.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76945 + ... + 78072.

It is an arithmetic number, because the mean of its divisors is an integer number (8681008).

Almost surely, 2^87429588 is an apocalyptic number.

It is an amenable number.

87429588 is an abundant number, since it is smaller than the sum of its proper divisors (120914604).

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

87429588 is a wasteful number, since it uses less digits than its factorization.

87429588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155071 (or 155069 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 87429588 is about 9350.3790297506. The cubic root of 87429588 is about 443.8328849209.

The spelling of 87429588 in words is "eighty-seven million, four hundred twenty-nine thousand, five hundred eighty-eight".