87588437 has 4 divisors (see below), whose sum is σ = 92740716. Its totient is φ = 82436160.

The previous prime is 87588433. The next prime is 87588451. The reversal of 87588437 is 73488578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73488578 = 2 ⋅36744289.

It can be written as a sum of positive squares in 2 ways, for example, as 34210801 + 53377636 = 5849^2 + 7306^2 .

It is a cyclic number.

It is not a de Polignac number, because 87588437 - 2² = 87588433 is a prime.

It is a super-2 number, since 2×87588437² = 15343468592205938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87588433) 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, 2576114 + ... + 2576147.

It is an arithmetic number, because the mean of its divisors is an integer number (23185179).

Almost surely, 2^87588437 is an apocalyptic number.

It is an amenable number.

87588437 is a deficient number, since it is larger than the sum of its proper divisors (5152279).

87588437 is a wasteful number, since it uses less digits than its factorization.

87588437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152278.

The product of its digits is 1505280, while the sum is 50.

The square root of 87588437 is about 9358.8694295839. The cubic root of 87588437 is about 444.1015192070.

The spelling of 87588437 in words is "eighty-seven million, five hundred eighty-eight thousand, four hundred thirty-seven".