797161628 has 24 divisors (see below), whose sum is σ = 1444852080. Its totient is φ = 384379520.

The previous prime is 797161627. The next prime is 797161639. The reversal of 797161628 is 826161797.

It is a super-2 number, since 2×797161628² = 1270933322311220768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797161627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106943 + ... + 114153.

It is an arithmetic number, because the mean of its divisors is an integer number (60202170).

Almost surely, 2^797161628 is an apocalyptic number.

It is an amenable number.

797161628 is a deficient number, since it is larger than the sum of its proper divisors (647690452).

797161628 is a wasteful number, since it uses less digits than its factorization.

797161628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8197 (or 8195 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 797161628 is about 28234.0508606186. The cubic root of 797161628 is about 927.2185860959.

The spelling of 797161628 in words is "seven hundred ninety-seven million, one hundred sixty-one thousand, six hundred twenty-eight".