79806101 has 2 divisors, whose sum is σ = 79806102. Its totient is φ = 79806100.

The previous prime is 79806053. The next prime is 79806107. The reversal of 79806101 is 10160897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76562500 + 3243601 = 8750^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 79806101 - 2¹⁸ = 79543957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79806107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39903050 + 39903051.

It is an arithmetic number, because the mean of its divisors is an integer number (39903051).

Almost surely, 2^79806101 is an apocalyptic number.

It is an amenable number.

79806101 is a deficient number, since it is larger than the sum of its proper divisors (1).

79806101 is an equidigital number, since it uses as much as digits as its factorization.

79806101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 79806101 is about 8933.4260505139. The cubic root of 79806101 is about 430.5385374341.

Adding to 79806101 its reverse (10160897), we get a palindrome (89966998).

The spelling of 79806101 in words is "seventy-nine million, eight hundred six thousand, one hundred one".