87145588 has 12 divisors (see below), whose sum is σ = 157424512. Its totient is φ = 42167160.

The previous prime is 87145577. The next prime is 87145589. The reversal of 87145588 is 88554178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87145589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351270 + ... + 351517.

Almost surely, 2^87145588 is an apocalyptic number.

It is an amenable number.

87145588 is a deficient number, since it is larger than the sum of its proper divisors (70278924).

87145588 is a wasteful number, since it uses less digits than its factorization.

87145588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702822 (or 702820 counting only the distinct ones).

The product of its digits is 358400, while the sum is 46.

The square root of 87145588 is about 9335.1801268106. The cubic root of 87145588 is about 443.3517919966.

The spelling of 87145588 in words is "eighty-seven million, one hundred forty-five thousand, five hundred eighty-eight".