775884675072 has 384 divisors, whose sum is σ = 2353813862400. Its totient is φ = 225565605888.

The previous prime is 775884674989. The next prime is 775884675077. The reversal of 775884675072 is 270576488577.

It is a tau number, because it is divible by the number of its divisors (384).

It is a junction number, because it is equal to n+sod(n) for n = 775884674994 and 775884675012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775884675077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108861973 + ... + 108869099.

It is an arithmetic number, because the mean of its divisors is an integer number (6129723600).

Almost surely, 2^775884675072 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 775884675072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176906931200).

775884675072 is an abundant number, since it is smaller than the sum of its proper divisors (1577929187328).

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

775884675072 is a wasteful number, since it uses less digits than its factorization.

775884675072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241 (or 7221 counting only the distinct ones).

The product of its (nonzero) digits is 184396800, while the sum is 66.

It can be divided in two parts, 775884 and 675072, that added together give a triangular number (1450956 = T₁₇₀₃).

The spelling of 775884675072 in words is "seven hundred seventy-five billion, eight hundred eighty-four million, six hundred seventy-five thousand, seventy-two".