52413864787 has 4 divisors (see below), whose sum is σ = 52416003640. Its totient is φ = 52411725936.

The previous prime is 52413864757. The next prime is 52413864791. The reversal of 52413864787 is 78746831425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52413864787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52413864757) 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, 1032237 + ... + 1081822.

It is an arithmetic number, because the mean of its divisors is an integer number (13104000910).

Almost surely, 2^52413864787 is an apocalyptic number.

52413864787 is a deficient number, since it is larger than the sum of its proper divisors (2138853).

52413864787 is a wasteful number, since it uses less digits than its factorization.

52413864787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138852.

The product of its digits is 9031680, while the sum is 55.

The spelling of 52413864787 in words is "fifty-two billion, four hundred thirteen million, eight hundred sixty-four thousand, seven hundred eighty-seven".