777195048 has 128 divisors (see below), whose sum is σ = 2322432000. Its totient is φ = 212060160.

The previous prime is 777195043. The next prime is 777195073. The reversal of 777195048 is 840591777.

It is a junction number, because it is equal to n+sod(n) for n = 777194988 and 777195006.

It is not an unprimeable number, because it can be changed into a prime (777195043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410488 + ... + 412376.

It is an arithmetic number, because the mean of its divisors is an integer number (18144000).

Almost surely, 2^777195048 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 777195048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161216000).

777195048 is an abundant number, since it is smaller than the sum of its proper divisors (1545236952).

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

777195048 is a wasteful number, since it uses less digits than its factorization.

777195048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 48.

The square root of 777195048 is about 27878.2181640075. The cubic root of 777195048 is about 919.4116622770.

The spelling of 777195048 in words is "seven hundred seventy-seven million, one hundred ninety-five thousand, forty-eight".