87259588 has 12 divisors (see below), whose sum is σ = 164450860. Its totient is φ = 40273632.

The previous prime is 87259583. The next prime is 87259597. The reversal of 87259588 is 88595278.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 77475204 = 3128^2 + 8802^2 .

It is a super-2 number, since 2×87259588² = 15228471395859488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 1678069 = 87259588 / (8 + 7 + 2 + 5 + 9 + 5 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (87259583) 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, 838983 + ... + 839086.

Almost surely, 2^87259588 is an apocalyptic number.

It is an amenable number.

87259588 is a deficient number, since it is larger than the sum of its proper divisors (77191272).

87259588 is a wasteful number, since it uses less digits than its factorization.

87259588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678086 (or 1678084 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 52.

The square root of 87259588 is about 9341.2840659087. The cubic root of 87259588 is about 443.5450321535.

The spelling of 87259588 in words is "eighty-seven million, two hundred fifty-nine thousand, five hundred eighty-eight".