84777332608169 has 16 divisors (see below), whose sum is σ = 85252405894656. Its totient is φ = 84303575928000.

The previous prime is 84777332608121. The next prime is 84777332608201. The reversal of 84777332608169 is 96180623377748.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84777332608169 is a prime.

It is a super-2 number, since 2×84777332608169² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84777332607169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374416139 + ... + 374642495.

It is an arithmetic number, because the mean of its divisors is an integer number (5328275368416).

Almost surely, 2^{84777332608169} is an apocalyptic number.

It is an amenable number.

84777332608169 is a deficient number, since it is larger than the sum of its proper divisors (475073286487).

84777332608169 is a wasteful number, since it uses less digits than its factorization.

84777332608169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229256.

The product of its (nonzero) digits is 512096256, while the sum is 71.

The spelling of 84777332608169 in words is "eighty-four trillion, seven hundred seventy-seven billion, three hundred thirty-two million, six hundred eight thousand, one hundred sixty-nine".