87745452 has 24 divisors (see below), whose sum is σ = 205367232. Its totient is φ = 29158800.

The previous prime is 87745447. The next prime is 87745487. The reversal of 87745452 is 25454778.

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, 7074 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (8556968).

Almost surely, 2^87745452 is an apocalyptic number.

It is an amenable number.

87745452 is an abundant number, since it is smaller than the sum of its proper divisors (117621780).

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

87745452 is a wasteful number, since it uses less digits than its factorization.

87745452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22429 (or 22427 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 87745452 is about 9367.2542401709. The cubic root of 87745452 is about 444.3667329592.

The spelling of 87745452 in words is "eighty-seven million, seven hundred forty-five thousand, four hundred fifty-two".