776272056 has 128 divisors (see below), whose sum is σ = 2351040000. Its totient is φ = 208645632.

The previous prime is 776272043. The next prime is 776272061. The reversal of 776272056 is 650272677.

776272056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 776271999 and 776272017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500370 + ... + 501918.

It is an arithmetic number, because the mean of its divisors is an integer number (18367500).

Almost surely, 2^776272056 is an apocalyptic number.

776272056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 776272056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175520000).

776272056 is an abundant number, since it is smaller than the sum of its proper divisors (1574767944).

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

776272056 is a wasteful number, since it uses less digits than its factorization.

776272056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 776272056 is about 27861.6592470728. The cubic root of 776272056 is about 919.0475555801.

The spelling of 776272056 in words is "seven hundred seventy-six million, two hundred seventy-two thousand, fifty-six".