87015516406 has 64 divisors (see below), whose sum is σ = 168697525248. Its totient is φ = 32717063808.

The previous prime is 87015516391. The next prime is 87015516439. The reversal of 87015516406 is 60461551078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591001 + ... + 723403.

It is an arithmetic number, because the mean of its divisors is an integer number (2635898832).

Almost surely, 2^87015516406 is an apocalyptic number.

87015516406 is a deficient number, since it is larger than the sum of its proper divisors (81682008842).

87015516406 is a wasteful number, since it uses less digits than its factorization.

87015516406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132605.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 87015516406 in words is "eighty-seven billion, fifteen million, five hundred sixteen thousand, four hundred six".