53882785779 has 4 divisors (see below), whose sum is σ = 71843714376. Its totient is φ = 35921857184.

The previous prime is 53882785717. The next prime is 53882785787. The reversal of 53882785779 is 97758728835.

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 53882785779 - 2⁷ = 53882785651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53882781779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8980464294 + ... + 8980464299.

It is an arithmetic number, because the mean of its divisors is an integer number (17960928594).

Almost surely, 2^53882785779 is an apocalyptic number.

53882785779 is a deficient number, since it is larger than the sum of its proper divisors (17960928597).

53882785779 is a wasteful number, since it uses less digits than its factorization.

53882785779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17960928596.

The product of its digits is 237081600, while the sum is 69.

The spelling of 53882785779 in words is "fifty-three billion, eight hundred eighty-two million, seven hundred eighty-five thousand, seven hundred seventy-nine".