87509452 has 6 divisors (see below), whose sum is σ = 153141548. Its totient is φ = 43754724.

The previous prime is 87509419. The next prime is 87509453. The reversal of 87509452 is 25490578.

It is not an unprimeable number, because it can be changed into a prime (87509453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10938678 + ... + 10938685.

Almost surely, 2^87509452 is an apocalyptic number.

It is an amenable number.

87509452 is a deficient number, since it is larger than the sum of its proper divisors (65632096).

87509452 is a wasteful number, since it uses less digits than its factorization.

87509452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21877367 (or 21877365 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 87509452 is about 9354.6486839432. The cubic root of 87509452 is about 443.9679859503.

The spelling of 87509452 in words is "eighty-seven million, five hundred nine thousand, four hundred fifty-two".