772335575552 has 30 divisors (see below), whose sum is σ = 1543202416503. Its totient is φ = 386157844992.

The previous prime is 772335575551. The next prime is 772335575579. The reversal of 772335575552 is 255575533277.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 386167787776 + 386167787776 = 621424^2 + 621424^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=621424.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772335575551) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19866149 + ... + 19904987.

Almost surely, 2^772335575552 is an apocalyptic number.

It is an amenable number.

772335575552 is a deficient number, since it is larger than the sum of its proper divisors (770866840951).

772335575552 is an frugal number, since it uses more digits than its factorization.

772335575552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77696 (or 38841 counting only the distinct ones).

The product of its digits is 38587500, while the sum is 56.

The spelling of 772335575552 in words is "seven hundred seventy-two billion, three hundred thirty-five million, five hundred seventy-five thousand, five hundred fifty-two".