877027807485919 has 2 divisors, whose sum is σ = 877027807485920. Its totient is φ = 877027807485918.

The previous prime is 877027807485917. The next prime is 877027807485953. The reversal of 877027807485919 is 919584708720778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 877027807485919 - 2¹ = 877027807485917 is a prime.

It is a super-2 number, since 2×877027807485919² (a number of 31 digits) contains 22 as substring.

Together with 877027807485917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (877027807485917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438513903742959 + 438513903742960.

It is an arithmetic number, because the mean of its divisors is an integer number (438513903742960).

Almost surely, 2^{877027807485919} is an apocalyptic number.

877027807485919 is a deficient number, since it is larger than the sum of its proper divisors (1).

877027807485919 is an equidigital number, since it uses as much as digits as its factorization.

877027807485919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3982970880, while the sum is 82.

The spelling of 877027807485919 in words is "eight hundred seventy-seven trillion, twenty-seven billion, eight hundred seven million, four hundred eighty-five thousand, nine hundred nineteen".