79797453 has 4 divisors (see below), whose sum is σ = 106396608. Its totient is φ = 53198300.

The previous prime is 79797451. The next prime is 79797463. The reversal of 79797453 is 35479797.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79797453 - 2¹ = 79797451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79797396 and 79797405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79797451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13299573 + ... + 13299578.

It is an arithmetic number, because the mean of its divisors is an integer number (26599152).

Almost surely, 2^79797453 is an apocalyptic number.

It is an amenable number.

79797453 is a deficient number, since it is larger than the sum of its proper divisors (26599155).

79797453 is a wasteful number, since it uses less digits than its factorization.

79797453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26599154.

The product of its digits is 1666980, while the sum is 51.

The square root of 79797453 is about 8932.9420125735. The cubic root of 79797453 is about 430.5229854411.

The spelling of 79797453 in words is "seventy-nine million, seven hundred ninety-seven thousand, four hundred fifty-three".