776534850 has 480 divisors, whose sum is σ = 2772739200. Its totient is φ = 160030080.

The previous prime is 776534821. The next prime is 776534861. The reversal of 776534850 is 58435677.

776534850 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 (45).

It is a junction number, because it is equal to n+sod(n) for n = 776534796 and 776534805.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 18058929 + ... + 18058971.

It is an arithmetic number, because the mean of its divisors is an integer number (5776540).

Almost surely, 2^776534850 is an apocalyptic number.

776534850 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 776534850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386369600).

776534850 is an abundant number, since it is smaller than the sum of its proper divisors (1996204350).

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

776534850 is a wasteful number, since it uses less digits than its factorization.

776534850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 776534850 is about 27866.3748987916. The cubic root of 776534850 is about 919.1512533032.

The spelling of 776534850 in words is "seven hundred seventy-six million, five hundred thirty-four thousand, eight hundred fifty".