52757082878 has 4 divisors (see below), whose sum is σ = 79135624320. Its totient is φ = 26378541438.

The previous prime is 52757082863. The next prime is 52757082913. The reversal of 52757082878 is 87828075725.

It is a happy number.

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

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 as a sum of consecutive naturals, namely, 13189270718 + ... + 13189270721.

It is an arithmetic number, because the mean of its divisors is an integer number (19783906080).

Almost surely, 2^52757082878 is an apocalyptic number.

52757082878 is a deficient number, since it is larger than the sum of its proper divisors (26378541442).

52757082878 is a wasteful number, since it uses less digits than its factorization.

52757082878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26378541441.

The product of its (nonzero) digits is 17561600, while the sum is 59.

The spelling of 52757082878 in words is "fifty-two billion, seven hundred fifty-seven million, eighty-two thousand, eight hundred seventy-eight".