5312771987 has 2 divisors, whose sum is σ = 5312771988. Its totient is φ = 5312771986.

The previous prime is 5312771921. The next prime is 5312771999. The reversal of 5312771987 is 7891772135.

5312771987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5312771987 - 2²² = 5308577683 is a prime.

It is not a weakly prime, because it can be changed into another prime (5312771917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656385993 + 2656385994.

It is an arithmetic number, because the mean of its divisors is an integer number (2656385994).

Almost surely, 2^5312771987 is an apocalyptic number.

5312771987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312771987 is an equidigital number, since it uses as much as digits as its factorization.

5312771987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 50.

The square root of 5312771987 is about 72888.7644771127. The cubic root of 5312771987 is about 1744.9127891325.

The spelling of 5312771987 in words is "five billion, three hundred twelve million, seven hundred seventy-one thousand, nine hundred eighty-seven".