84700077777 has 24 divisors (see below), whose sum is σ = 140680173504. Its totient is φ = 48103105824.

The previous prime is 84700077743. The next prime is 84700077799. The reversal of 84700077777 is 77777000748.

It is not a de Polignac number, because 84700077777 - 2¹⁸ = 84699815633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84700077377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4113798 + ... + 4134335.

It is an arithmetic number, because the mean of its divisors is an integer number (5861673896).

Almost surely, 2^84700077777 is an apocalyptic number.

It is an amenable number.

84700077777 is a deficient number, since it is larger than the sum of its proper divisors (55980095727).

84700077777 is a wasteful number, since it uses less digits than its factorization.

84700077777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248309 (or 8248306 counting only the distinct ones).

The product of its (nonzero) digits is 3764768, while the sum is 54.

The spelling of 84700077777 in words is "eighty-four billion, seven hundred million, seventy-seven thousand, seven hundred seventy-seven".