84700777777 has 16 divisors (see below), whose sum is σ = 107390822400. Its totient is φ = 64881948240.

The previous prime is 84700777769. The next prime is 84700777783. The reversal of 84700777777 is 77777700748.

It is a cyclic number.

It is not a de Polignac number, because 84700777777 - 2³ = 84700777769 is a prime.

It is a Duffinian number.

84700777777 is a modest number, since divided by 777777 gives 84700 as remainder.

It is not an unprimeable number, because it can be changed into a prime (84700771777) 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 in 15 ways as a sum of consecutive naturals, for example, 9317577 + ... + 9326662.

It is an arithmetic number, because the mean of its divisors is an integer number (6711926400).

Almost surely, 2^84700777777 is an apocalyptic number.

It is an amenable number.

84700777777 is a deficient number, since it is larger than the sum of its proper divisors (22690044623).

84700777777 is a wasteful number, since it uses less digits than its factorization.

84700777777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644316.

The product of its (nonzero) digits is 26353376, while the sum is 61.

The spelling of 84700777777 in words is "eighty-four billion, seven hundred million, seven hundred seventy-seven thousand, seven hundred seventy-seven".