79847253 has 24 divisors (see below), whose sum is σ = 122035680. Its totient is φ = 50168160.

The previous prime is 79847197. The next prime is 79847293. The reversal of 79847253 is 35274897.

It is not a de Polignac number, because 79847253 - 2¹⁴ = 79830869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79847199 and 79847208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79847293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34975 + ... + 37187.

It is an arithmetic number, because the mean of its divisors is an integer number (5084820).

Almost surely, 2^79847253 is an apocalyptic number.

It is an amenable number.

79847253 is a deficient number, since it is larger than the sum of its proper divisors (42188427).

79847253 is a wasteful number, since it uses less digits than its factorization.

79847253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2446 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 79847253 is about 8935.7290133486. The cubic root of 79847253 is about 430.6125270882.

The spelling of 79847253 in words is "seventy-nine million, eight hundred forty-seven thousand, two hundred fifty-three".