79357156453 has 4 divisors (see below), whose sum is σ = 79372779948. Its totient is φ = 79341532960.

The previous prime is 79357156409. The next prime is 79357156471. The reversal of 79357156453 is 35465175397.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45087001569 + 34270154884 = 212337^2 + 185122^2 .

It is a cyclic number.

It is not a de Polignac number, because 79357156453 - 2²⁹ = 78820285541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79357156394 and 79357156403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79357151453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7804126 + ... + 7814287.

It is an arithmetic number, because the mean of its divisors is an integer number (19843194987).

Almost surely, 2^79357156453 is an apocalyptic number.

It is an amenable number.

79357156453 is a deficient number, since it is larger than the sum of its proper divisors (15623495).

79357156453 is a wasteful number, since it uses less digits than its factorization.

79357156453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15623494.

The product of its digits is 11907000, while the sum is 55.

The spelling of 79357156453 in words is "seventy-nine billion, three hundred fifty-seven million, one hundred fifty-six thousand, four hundred fifty-three".