84883286778 has 16 divisors (see below), whose sum is σ = 177147729216. Its totient is φ = 27064236320.

The previous prime is 84883286767. The next prime is 84883286783. The reversal of 84883286778 is 87768238848.

It is a Harshad number since it is a multiple of its sum of digits (69).

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 7 ways as a sum of consecutive naturals, for example, 307548003 + ... + 307548278.

It is an arithmetic number, because the mean of its divisors is an integer number (11071733076).

Almost surely, 2^84883286778 is an apocalyptic number.

84883286778 is an abundant number, since it is smaller than the sum of its proper divisors (92264442438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84883286778 is a wasteful number, since it uses less digits than its factorization.

84883286778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615096309.

The product of its digits is 231211008, while the sum is 69.

The spelling of 84883286778 in words is "eighty-four billion, eight hundred eighty-three million, two hundred eighty-six thousand, seven hundred seventy-eight".