87917583437 has 16 divisors (see below), whose sum is σ = 91032042240. Its totient is φ = 84864791232.

The previous prime is 87917583431. The next prime is 87917583443. The reversal of 87917583437 is 73438571978.

It is an interprime number because it is at equal distance from previous prime (87917583431) and next prime (87917583443).

It is a cyclic number.

It is not a de Polignac number, because 87917583437 - 2⁸ = 87917583181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87917583437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87917583431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147823 + ... + 1222019.

It is an arithmetic number, because the mean of its divisors is an integer number (5689502640).

Almost surely, 2^87917583437 is an apocalyptic number.

It is an amenable number.

87917583437 is a deficient number, since it is larger than the sum of its proper divisors (3114458803).

87917583437 is a wasteful number, since it uses less digits than its factorization.

87917583437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74612.

The product of its digits is 35562240, while the sum is 62.

The spelling of 87917583437 in words is "eighty-seven billion, nine hundred seventeen million, five hundred eighty-three thousand, four hundred thirty-seven".