79637053 has 4 divisors (see below), whose sum is σ = 80041500. Its totient is φ = 79232608.

The previous prime is 79637039. The next prime is 79637081. The reversal of 79637053 is 35073697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35073697 = 193 ⋅181729.

It can be written as a sum of positive squares in 2 ways, for example, as 78464164 + 1172889 = 8858^2 + 1083^2 .

It is a cyclic number.

It is not a de Polignac number, because 79637053 - 2⁵ = 79637021 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79636997 and 79637015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79637003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201928 + ... + 202321.

It is an arithmetic number, because the mean of its divisors is an integer number (20010375).

Almost surely, 2^79637053 is an apocalyptic number.

It is an amenable number.

79637053 is a deficient number, since it is larger than the sum of its proper divisors (404447).

79637053 is a wasteful number, since it uses less digits than its factorization.

79637053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404446.

The product of its (nonzero) digits is 119070, while the sum is 40.

The square root of 79637053 is about 8923.9594911676. The cubic root of 79637053 is about 430.2343287422.

The spelling of 79637053 in words is "seventy-nine million, six hundred thirty-seven thousand, fifty-three".