56237203527877 has 2 divisors, whose sum is σ = 56237203527878. Its totient is φ = 56237203527876.

The previous prime is 56237203527823. The next prime is 56237203527919. The reversal of 56237203527877 is 77872530273265.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51227816484321 + 5009387043556 = 7157361^2 + 2238166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56237203527877 is a prime.

It is a super-2 number, since 2×56237203527877² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56237203527277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28118601763938 + 28118601763939.

It is an arithmetic number, because the mean of its divisors is an integer number (28118601763939).

Almost surely, 2^{56237203527877} is an apocalyptic number.

It is an amenable number.

56237203527877 is a deficient number, since it is larger than the sum of its proper divisors (1).

56237203527877 is an equidigital number, since it uses as much as digits as its factorization.

56237203527877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207446400, while the sum is 64.

The spelling of 56237203527877 in words is "fifty-six trillion, two hundred thirty-seven billion, two hundred three million, five hundred twenty-seven thousand, eight hundred seventy-seven".