775480057 has 8 divisors (see below), whose sum is σ = 846202752. Its totient is φ = 704794800.

The previous prime is 775480049. The next prime is 775480073. The reversal of 775480057 is 750084577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 775480057 - 2³ = 775480049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 775479995 and 775480022.

It is not an unprimeable number, because it can be changed into a prime (775480087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50803 + ... + 64279.

It is an arithmetic number, because the mean of its divisors is an integer number (105775344).

Almost surely, 2^775480057 is an apocalyptic number.

It is an amenable number.

775480057 is a deficient number, since it is larger than the sum of its proper divisors (70722695).

775480057 is a wasteful number, since it uses less digits than its factorization.

775480057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719.

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 775480057 is about 27847.4425576210. The cubic root of 775480057 is about 918.7348935335.

The spelling of 775480057 in words is "seven hundred seventy-five million, four hundred eighty thousand, fifty-seven".