773033856 has 128 divisors (see below), whose sum is σ = 2422671360. Its totient is φ = 213719040.

The previous prime is 773033851. The next prime is 773033861. The reversal of 773033856 is 658330377.

It is an interprime number because it is at equal distance from previous prime (773033851) and next prime (773033861).

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773033851) 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 15 ways as a sum of consecutive naturals, for example, 78690 + ... + 87966.

It is an arithmetic number, because the mean of its divisors is an integer number (18927120).

Almost surely, 2^773033856 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 773033856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211335680).

773033856 is an abundant number, since it is smaller than the sum of its proper divisors (1649637504).

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

773033856 is a wasteful number, since it uses less digits than its factorization.

773033856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9332 (or 9320 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 773033856 is about 27803.4864000902. The cubic root of 773033856 is about 917.7678463272.

The spelling of 773033856 in words is "seven hundred seventy-three million, thirty-three thousand, eight hundred fifty-six".