772834422992 has 20 divisors (see below), whose sum is σ = 1507416140100. Its totient is φ = 383823806208.

The previous prime is 772834422991. The next prime is 772834423001. The reversal of 772834422992 is 299224438277.

It can be written as a sum of positive squares in 2 ways, for example, as 332209293376 + 440625129616 = 576376^2 + 663796^2 .

It is a super-2 number, since 2×772834422992² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772834422991) 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, 162085373 + ... + 162090140.

It is an arithmetic number, because the mean of its divisors is an integer number (75370807005).

Almost surely, 2^772834422992 is an apocalyptic number.

It is an amenable number.

772834422992 is a deficient number, since it is larger than the sum of its proper divisors (734581717108).

772834422992 is a wasteful number, since it uses less digits than its factorization.

772834422992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324175670 (or 324175664 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 59.

The spelling of 772834422992 in words is "seven hundred seventy-two billion, eight hundred thirty-four million, four hundred twenty-two thousand, nine hundred ninety-two".