775752200643056 has 240 divisors, whose sum is σ = 1994144540705856. Its totient is φ = 288768819290112.

The previous prime is 775752200643029. The next prime is 775752200643127. The reversal of 775752200643056 is 650346002257577.

It is a junction number, because it is equal to n+sod(n) for n = 775752200642986 and 775752200643004.

It is a congruent number.

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, 719719925 + ... + 720796971.

Almost surely, 2^{775752200643056} 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 775752200643056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997072270352928).

775752200643056 is an abundant number, since it is smaller than the sum of its proper divisors (1218392340062800).

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

775752200643056 is a wasteful number, since it uses less digits than its factorization.

775752200643056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081256 (or 1081243 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 59.

The spelling of 775752200643056 in words is "seven hundred seventy-five trillion, seven hundred fifty-two billion, two hundred million, six hundred forty-three thousand, fifty-six".