775423152 has 80 divisors (see below), whose sum is σ = 2543726080. Its totient is φ = 221548608.

The previous prime is 775423087. The next prime is 775423169. The reversal of 775423152 is 251324577.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 125188 + ... + 131235.

It is an arithmetic number, because the mean of its divisors is an integer number (31796576).

Almost surely, 2^775423152 is an apocalyptic number.

775423152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

775423152 is an abundant number, since it is smaller than the sum of its proper divisors (1768302928).

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

775423152 is a wasteful number, since it uses less digits than its factorization.

775423152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256447 (or 256435 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 775423152 is about 27846.4208113000. The cubic root of 775423152 is about 918.7124206204.

The spelling of 775423152 in words is "seven hundred seventy-five million, four hundred twenty-three thousand, one hundred fifty-two".