87269874531 has 16 divisors (see below), whose sum is σ = 133267440384. Its totient is φ = 49761709344.

The previous prime is 87269874521. The next prime is 87269874553. The reversal of 87269874531 is 13547896278.

It is not a de Polignac number, because 87269874531 - 2¹¹ = 87269872483 is a prime.

It is a super-2 number, since 2×87269874531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87269874521) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4439560 + ... + 4459173.

It is an arithmetic number, because the mean of its divisors is an integer number (8329215024).

Almost surely, 2^87269874531 is an apocalyptic number.

87269874531 is a deficient number, since it is larger than the sum of its proper divisors (45997565853).

87269874531 is a wasteful number, since it uses less digits than its factorization.

87269874531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8899210.

The product of its digits is 20321280, while the sum is 60.

The spelling of 87269874531 in words is "eighty-seven billion, two hundred sixty-nine million, eight hundred seventy-four thousand, five hundred thirty-one".