797161634 has 4 divisors (see below), whose sum is σ = 1195742454. Its totient is φ = 398580816.

The previous prime is 797161627. The next prime is 797161639. The reversal of 797161634 is 436161797.

797161634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436161797 = 1471 ⋅296507.

It can be written as a sum of positive squares in only one way, i.e., 569061025 + 228100609 = 23855^2 + 15103^2 .

It is not an unprimeable number, because it can be changed into a prime (797161639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199290407 + ... + 199290410.

Almost surely, 2^797161634 is an apocalyptic number.

797161634 is a deficient number, since it is larger than the sum of its proper divisors (398580820).

797161634 is a wasteful number, since it uses less digits than its factorization.

797161634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398580819.

The product of its digits is 190512, while the sum is 44.

The square root of 797161634 is about 28234.0509668733. The cubic root of 797161634 is about 927.2185884222.

The spelling of 797161634 in words is "seven hundred ninety-seven million, one hundred sixty-one thousand, six hundred thirty-four".