87348824381 has 36 divisors (see below), whose sum is σ = 110550909024. Its totient is φ = 68782240800.

The previous prime is 87348824377. The next prime is 87348824411. The reversal of 87348824381 is 18342884378.

It is not a de Polignac number, because 87348824381 - 2² = 87348824377 is a prime.

It is a super-2 number, since 2×87348824381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87348824351) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1722296 + ... + 1772286.

It is an arithmetic number, because the mean of its divisors is an integer number (3070858584).

Almost surely, 2^87348824381 is an apocalyptic number.

It is an amenable number.

87348824381 is a deficient number, since it is larger than the sum of its proper divisors (23202084643).

87348824381 is a wasteful number, since it uses less digits than its factorization.

87348824381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50242 (or 50222 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 56.

The spelling of 87348824381 in words is "eighty-seven billion, three hundred forty-eight million, eight hundred twenty-four thousand, three hundred eighty-one".