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79697 is a prime number
BaseRepresentation
bin10011011101010001
311001022202
4103131101
510022242
61412545
7451232
oct233521
9131282
1079697
1154972
123a155
132a377
1421089
1518932
hex13751

79697 has 2 divisors, whose sum is σ = 79698. Its totient is φ = 79696.

The previous prime is 79693. The next prime is 79699.

79697 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65536 + 14161 = 256^2 + 119^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 79697 - 22 = 79693 is a prime.

It is a super-2 number, since 2×796972 = 12703223618, which contains 22 as substring.

Together with 79699, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79697.

It is not a weakly prime, because it can be changed into another prime (79691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39848 + 39849.

It is an arithmetic number, because the mean of its divisors is an integer number (39849).

279697 is an apocalyptic number.

It is an amenable number.

79697 is a deficient number, since it is larger than the sum of its proper divisors (1).

79697 is an equidigital number, since it uses as much as digits as its factorization.

79697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 38.

The square root of 79697 is about 282.3065709473. The cubic root of 79697 is about 43.0342255005.

The spelling of 79697 in words is "seventy-nine thousand, six hundred ninety-seven".