53876662887 has 4 divisors (see below), whose sum is σ = 71835550520. Its totient is φ = 35917775256.

The previous prime is 53876662867. The next prime is 53876662897. The reversal of 53876662887 is 78826667835.

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

It is not a de Polignac number, because 53876662887 - 2¹⁰ = 53876661863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53876662817) 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 3 ways as a sum of consecutive naturals, for example, 8979443812 + ... + 8979443817.

It is an arithmetic number, because the mean of its divisors is an integer number (17958887630).

Almost surely, 2^53876662887 is an apocalyptic number.

53876662887 is a deficient number, since it is larger than the sum of its proper divisors (17958887633).

53876662887 is a wasteful number, since it uses less digits than its factorization.

53876662887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17958887632.

The product of its digits is 162570240, while the sum is 66.

The spelling of 53876662887 in words is "fifty-three billion, eight hundred seventy-six million, six hundred sixty-two thousand, eight hundred eighty-seven".