87436587 has 32 divisors (see below), whose sum is σ = 140073472. Its totient is φ = 47464704.

The previous prime is 87436561. The next prime is 87436589. The reversal of 87436587 is 78563478.

It is not a de Polignac number, because 87436587 - 2¹⁹ = 86912299 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (87436589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32103 + ... + 34719.

It is an arithmetic number, because the mean of its divisors is an integer number (4377296).

Almost surely, 2^87436587 is an apocalyptic number.

87436587 is a deficient number, since it is larger than the sum of its proper divisors (52636885).

87436587 is a wasteful number, since it uses less digits than its factorization.

87436587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707.

The product of its digits is 1128960, while the sum is 48.

The square root of 87436587 is about 9350.7532851637. The cubic root of 87436587 is about 443.8447279882.

The spelling of 87436587 in words is "eighty-seven million, four hundred thirty-six thousand, five hundred eighty-seven".