87124856735 has 8 divisors (see below), whose sum is σ = 119485517856. Its totient is φ = 59742758880.

The previous prime is 87124856723. The next prime is 87124856747. The reversal of 87124856735 is 53765842178.

It is an interprime number because it is at equal distance from previous prime (87124856723) and next prime (87124856747).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87124856735 - 2¹⁸ = 87124594591 is a prime.

It is a super-2 number, since 2×87124856735² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244640776 + ... + 1244640845.

It is an arithmetic number, because the mean of its divisors is an integer number (14935689732).

Almost surely, 2^87124856735 is an apocalyptic number.

87124856735 is a deficient number, since it is larger than the sum of its proper divisors (32360661121).

87124856735 is a wasteful number, since it uses less digits than its factorization.

87124856735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489281633.

The product of its digits is 11289600, while the sum is 56.

The spelling of 87124856735 in words is "eighty-seven billion, one hundred twenty-four million, eight hundred fifty-six thousand, seven hundred thirty-five".