87060005 has 4 divisors (see below), whose sum is σ = 104472012. Its totient is φ = 69648000.

The previous prime is 87059963. The next prime is 87060007. The reversal of 87060005 is 50006078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19918369 + 67141636 = 4463^2 + 8194^2 .

It is not a de Polignac number, because 87060005 - 2¹⁰ = 87058981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87060007) 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, 8705996 + ... + 8706005.

It is an arithmetic number, because the mean of its divisors is an integer number (26118003).

Almost surely, 2^87060005 is an apocalyptic number.

It is an amenable number.

87060005 is a deficient number, since it is larger than the sum of its proper divisors (17412007).

87060005 is a wasteful number, since it uses less digits than its factorization.

87060005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17412006.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 87060005 is about 9330.5951042793. The cubic root of 87060005 is about 443.2066104099.

The spelling of 87060005 in words is "eighty-seven million, sixty thousand, five".