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797252879 is a prime number
BaseRepresentation
bin101111100001010…
…001110100001111
32001120011122100102
4233201101310033
53113044043004
6211035521315
725520352263
oct5741216417
92046148312
10797252879
1137a034985
121a2bb923b
13c9230687
1477c520a3
1549ed311e
hex2f851d0f

797252879 has 2 divisors, whose sum is σ = 797252880. Its totient is φ = 797252878.

The previous prime is 797252873. The next prime is 797252881. The reversal of 797252879 is 978252797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 797252879 - 28 = 797252623 is a prime.

It is a super-2 number, since 2×7972528792 = 1271224306147577282, which contains 22 as substring.

Together with 797252881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797252873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398626439 + 398626440.

It is an arithmetic number, because the mean of its divisors is an integer number (398626440).

Almost surely, 2797252879 is an apocalyptic number.

797252879 is a deficient number, since it is larger than the sum of its proper divisors (1).

797252879 is an equidigital number, since it uses as much as digits as its factorization.

797252879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 56.

The square root of 797252879 is about 28235.6667886558. Note that the first 3 decimals coincide. The cubic root of 797252879 is about 927.2539642811.

The spelling of 797252879 in words is "seven hundred ninety-seven million, two hundred fifty-two thousand, eight hundred seventy-nine".