775041552 has 30 divisors (see below), whose sum is σ = 2169040302. Its totient is φ = 258347136.

The previous prime is 775041551. The next prime is 775041593. The reversal of 775041552 is 255140577.

It can be written as a sum of positive squares in only one way, i.e., 447576336 + 327465216 = 21156^2 + 18096^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775041551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2690973 + ... + 2691260.

Almost surely, 2^775041552 is an apocalyptic number.

775041552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

775041552 is an abundant number, since it is smaller than the sum of its proper divisors (1393998750).

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

775041552 is a wasteful number, since it uses less digits than its factorization.

775041552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382247 (or 5382238 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 775041552 is about 27839.5681000981. The cubic root of 775041552 is about 918.5616907969.

The spelling of 775041552 in words is "seven hundred seventy-five million, forty-one thousand, five hundred fifty-two".