84549117311 has 6 divisors (see below), whose sum is σ = 87364489536. Its totient is φ = 81821725500.

The previous prime is 84549117307. The next prime is 84549117343. The reversal of 84549117311 is 11371194548.

It is not a de Polignac number, because 84549117311 - 2² = 84549117307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84549117361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43989215 + ... + 43991136.

It is an arithmetic number, because the mean of its divisors is an integer number (14560748256).

Almost surely, 2^84549117311 is an apocalyptic number.

84549117311 is a deficient number, since it is larger than the sum of its proper divisors (2815372225).

84549117311 is an equidigital number, since it uses as much as digits as its factorization.

84549117311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87980413 (or 87980382 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The spelling of 84549117311 in words is "eighty-four billion, five hundred forty-nine million, one hundred seventeen thousand, three hundred eleven".