772785053 has 4 divisors (see below), whose sum is σ = 773241600. Its totient is φ = 772328508.

The previous prime is 772785047. The next prime is 772785107. The reversal of 772785053 is 350587277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772785053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 772784995 and 772785013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772725053) 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 3 ways as a sum of consecutive naturals, for example, 225725 + ... + 229122.

It is an arithmetic number, because the mean of its divisors is an integer number (193310400).

Almost surely, 2^772785053 is an apocalyptic number.

It is an amenable number.

772785053 is a deficient number, since it is larger than the sum of its proper divisors (456547).

772785053 is a wasteful number, since it uses less digits than its factorization.

772785053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456546.

The product of its (nonzero) digits is 411600, while the sum is 44.

The square root of 772785053 is about 27799.0117270381. The cubic root of 772785053 is about 917.6693737555.

The spelling of 772785053 in words is "seven hundred seventy-two million, seven hundred eighty-five thousand, fifty-three".