876542252431 has 4 divisors (see below), whose sum is σ = 876618677664. Its totient is φ = 876465827200.

The previous prime is 876542252423. The next prime is 876542252437. The reversal of 876542252431 is 134252245678.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 876542252431 - 2³ = 876542252423 is a prime.

It is a super-2 number, since 2×876542252431² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876542252437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38195410 + ... + 38218351.

It is an arithmetic number, because the mean of its divisors is an integer number (219154669416).

Almost surely, 2^876542252431 is an apocalyptic number.

876542252431 is a deficient number, since it is larger than the sum of its proper divisors (76425233).

876542252431 is a wasteful number, since it uses less digits than its factorization.

876542252431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76425232.

The product of its digits is 3225600, while the sum is 49.

The spelling of 876542252431 in words is "eight hundred seventy-six billion, five hundred forty-two million, two hundred fifty-two thousand, four hundred thirty-one".