52878287696 has 80 divisors (see below), whose sum is σ = 115172628480. Its totient is φ = 23352468480.

The previous prime is 52878287689. The next prime is 52878287723. The reversal of 52878287696 is 69678287825.

It is a super-2 number, since 2×52878287696² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 527801 + ... + 619943.

It is an arithmetic number, because the mean of its divisors is an integer number (1439657856).

Almost surely, 2^52878287696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52878287696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57586314240).

52878287696 is an abundant number, since it is smaller than the sum of its proper divisors (62294340784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52878287696 is a wasteful number, since it uses less digits than its factorization.

52878287696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92284 (or 92278 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 68.

The spelling of 52878287696 in words is "fifty-two billion, eight hundred seventy-eight million, two hundred eighty-seven thousand, six hundred ninety-six".