87538006 has 4 divisors (see below), whose sum is σ = 131307012. Its totient is φ = 43769002.

The previous prime is 87537991. The next prime is 87538027. The reversal of 87538006 is 60083578.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21884500 + ... + 21884503.

It is an arithmetic number, because the mean of its divisors is an integer number (32826753).

Almost surely, 2^87538006 is an apocalyptic number.

87538006 is a deficient number, since it is larger than the sum of its proper divisors (43769006).

87538006 is a wasteful number, since it uses less digits than its factorization.

87538006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43769005.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 87538006 is about 9356.1747525364. The cubic root of 87538006 is about 444.0162690519.

The spelling of 87538006 in words is "eighty-seven million, five hundred thirty-eight thousand, six".