877116885705 has 12 divisors (see below), whose sum is σ = 1520335935300. Its totient is φ = 467795672352.

The previous prime is 877116885677. The next prime is 877116885739. The reversal of 877116885705 is 507588611778.

It can be written as a sum of positive squares in 2 ways, for example, as 186271654464 + 690845231241 = 431592^2 + 831171^2 .

It is not a de Polignac number, because 877116885705 - 2¹² = 877116881609 is a prime.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 9745743130 + ... + 9745743219.

It is an arithmetic number, because the mean of its divisors is an integer number (126694661275).

Almost surely, 2^877116885705 is an apocalyptic number.

It is an amenable number.

877116885705 is a deficient number, since it is larger than the sum of its proper divisors (643219049595).

877116885705 is a wasteful number, since it uses less digits than its factorization.

877116885705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19491486360 (or 19491486357 counting only the distinct ones).

The product of its (nonzero) digits is 26342400, while the sum is 63.

The spelling of 877116885705 in words is "eight hundred seventy-seven billion, one hundred sixteen million, eight hundred eighty-five thousand, seven hundred five".