79969305 has 32 divisors (see below), whose sum is σ = 142248960. Its totient is φ = 38096640.

The previous prime is 79969297. The next prime is 79969313. The reversal of 79969305 is 50396997.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79969297) and next prime (79969313).

It is not a de Polignac number, because 79969305 - 2³ = 79969297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570 + ... + 12659.

It is an arithmetic number, because the mean of its divisors is an integer number (4445280).

Almost surely, 2^79969305 is an apocalyptic number.

It is an amenable number.

79969305 is a deficient number, since it is larger than the sum of its proper divisors (62279655).

79969305 is a wasteful number, since it uses less digits than its factorization.

79969305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13281.

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 79969305 is about 8942.5558427107. Note that the first 3 decimals coincide. The cubic root of 79969305 is about 430.8318223127.

The spelling of 79969305 in words is "seventy-nine million, nine hundred sixty-nine thousand, three hundred five".