52213763787 has 4 divisors (see below), whose sum is σ = 69618351720. Its totient is φ = 34809175856.

The previous prime is 52213763783. The next prime is 52213763803. The reversal of 52213763787 is 78736731225.

52213763787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52213763787 - 2² = 52213763783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52213763783) 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, 8702293962 + ... + 8702293967.

It is an arithmetic number, because the mean of its divisors is an integer number (17404587930).

Almost surely, 2^52213763787 is an apocalyptic number.

52213763787 is a deficient number, since it is larger than the sum of its proper divisors (17404587933).

52213763787 is a wasteful number, since it uses less digits than its factorization.

52213763787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17404587932.

The product of its digits is 2963520, while the sum is 51.

The spelling of 52213763787 in words is "fifty-two billion, two hundred thirteen million, seven hundred sixty-three thousand, seven hundred eighty-seven".