79194953 has 4 divisors (see below), whose sum is σ = 80880000. Its totient is φ = 77509908.

The previous prime is 79194943. The next prime is 79194967. The reversal of 79194953 is 35949197.

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 79194953 - 2⁴ = 79194937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 1684999 = 79194953 / (7 + 9 + 1 + 9 + 4 + 9 + 5 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79194898 and 79194907.

It is not an unprimeable number, because it can be changed into a prime (79194923) 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, 842453 + ... + 842546.

It is an arithmetic number, because the mean of its divisors is an integer number (20220000).

Almost surely, 2^79194953 is an apocalyptic number.

It is an amenable number.

79194953 is a deficient number, since it is larger than the sum of its proper divisors (1685047).

79194953 is a wasteful number, since it uses less digits than its factorization.

79194953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685046.

The product of its digits is 306180, while the sum is 47.

The square root of 79194953 is about 8899.1546227718. The cubic root of 79194953 is about 429.4367115009.

The spelling of 79194953 in words is "seventy-nine million, one hundred ninety-four thousand, nine hundred fifty-three".