777779895116 has 144 divisors (see below), whose sum is σ = 1649155737600. Its totient is φ = 319685667840.

The previous prime is 777779895097. The next prime is 777779895121. The reversal of 777779895116 is 611598977777.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342180956 + ... + 342183228.

It is an arithmetic number, because the mean of its divisors is an integer number (11452470400).

Almost surely, 2^777779895116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 777779895116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824577868800).

777779895116 is an abundant number, since it is smaller than the sum of its proper divisors (871375842484).

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

777779895116 is a wasteful number, since it uses less digits than its factorization.

777779895116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 2795 counting only the distinct ones).

The product of its digits is 326728080, while the sum is 74.

The spelling of 777779895116 in words is "seven hundred seventy-seven billion, seven hundred seventy-nine million, eight hundred ninety-five thousand, one hundred sixteen".