772945772533 has 4 divisors (see below), whose sum is σ = 843213570048. Its totient is φ = 702677975020.

The previous prime is 772945772503. The next prime is 772945772591. The reversal of 772945772533 is 335277549277.

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 not a de Polignac number, because 772945772533 - 2⁹ = 772945772021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772945772503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35133898741 + ... + 35133898762.

It is an arithmetic number, because the mean of its divisors is an integer number (210803392512).

Almost surely, 2^772945772533 is an apocalyptic number.

It is an amenable number.

772945772533 is a deficient number, since it is larger than the sum of its proper divisors (70267797515).

772945772533 is a wasteful number, since it uses less digits than its factorization.

772945772533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70267797514.

The product of its digits is 77792400, while the sum is 61.

The spelling of 772945772533 in words is "seven hundred seventy-two billion, nine hundred forty-five million, seven hundred seventy-two thousand, five hundred thirty-three".