797081049 has 6 divisors (see below), whose sum is σ = 1151339306. Its totient is φ = 531387360.

The previous prime is 797081039. The next prime is 797081081. The reversal of 797081049 is 940180797.

It can be written as a sum of positive squares in only one way, i.e., 426133449 + 370947600 = 20643^2 + 19260^2 .

It is not a de Polignac number, because 797081049 - 2⁵ = 797081017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 797080995 and 797081013.

It is not an unprimeable number, because it can be changed into a prime (797081029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44282272 + ... + 44282289.

Almost surely, 2^797081049 is an apocalyptic number.

It is an amenable number.

797081049 is a deficient number, since it is larger than the sum of its proper divisors (354258257).

797081049 is a wasteful number, since it uses less digits than its factorization.

797081049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88564567 (or 88564564 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 797081049 is about 28232.6238419315. The cubic root of 797081049 is about 927.1873432206.

The spelling of 797081049 in words is "seven hundred ninety-seven million, eighty-one thousand, forty-nine".