5256087782837 has 4 divisors (see below), whose sum is σ = 5256092803500. Its totient is φ = 5256082762176.

The previous prime is 5256087782833. The next prime is 5256087782839. The reversal of 5256087782837 is 7382877806525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2733711719236 + 2522376063601 = 1653394^2 + 1588199^2 .

It is a cyclic number.

It is not a de Polignac number, because 5256087782837 - 2² = 5256087782833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256087782833) 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, 278708 + ... + 3254205.

It is an arithmetic number, because the mean of its divisors is an integer number (1314023200875).

Almost surely, 2^{5256087782837} is an apocalyptic number.

It is an amenable number.

5256087782837 is a deficient number, since it is larger than the sum of its proper divisors (5020663).

5256087782837 is a wasteful number, since it uses less digits than its factorization.

5256087782837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020662.

The product of its (nonzero) digits is 316108800, while the sum is 68.

The spelling of 5256087782837 in words is "five trillion, two hundred fifty-six billion, eighty-seven million, seven hundred eighty-two thousand, eight hundred thirty-seven".