775884252 has 96 divisors (see below), whose sum is σ = 2134298880. Its totient is φ = 216276480.

The previous prime is 775884251. The next prime is 775884259. The reversal of 775884252 is 252488577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775884251) 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, 649768 + ... + 650960.

It is an arithmetic number, because the mean of its divisors is an integer number (22232280).

Almost surely, 2^775884252 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 775884252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067149440).

775884252 is an abundant number, since it is smaller than the sum of its proper divisors (1358414628).

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

775884252 is a wasteful number, since it uses less digits than its factorization.

775884252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1601 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 48.

The square root of 775884252 is about 27854.6989213669. The cubic root of 775884252 is about 918.8944865270.

The spelling of 775884252 in words is "seven hundred seventy-five million, eight hundred eighty-four thousand, two hundred fifty-two".