79735653797 has 2 divisors, whose sum is σ = 79735653798. Its totient is φ = 79735653796.

The previous prime is 79735653793. The next prime is 79735653799.

79735653797 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., 73763300836 + 5972352961 = 271594^2 + 77281^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 79735653797 - 2² = 79735653793 is a prime.

Together with 79735653799, 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 (79735653793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39867826898 + 39867826899.

It is an arithmetic number, because the mean of its divisors is an integer number (39867826899).

Almost surely, 2^79735653797 is an apocalyptic number.

It is an amenable number.

79735653797 is a deficient number, since it is larger than the sum of its proper divisors (1).

79735653797 is an equidigital number, since it uses as much as digits as its factorization.

79735653797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262549350, while the sum is 68.

The spelling of 79735653797 in words is "seventy-nine billion, seven hundred thirty-five million, six hundred fifty-three thousand, seven hundred ninety-seven".