79963147 has 8 divisors (see below), whose sum is σ = 87364080. Its totient is φ = 72584160.

The previous prime is 79963139. The next prime is 79963151. The reversal of 79963147 is 74136997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79963147 - 2³ = 79963139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79963097 and 79963106.

It is not an unprimeable number, because it can be changed into a prime (79963547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673 + ... + 12925.

It is an arithmetic number, because the mean of its divisors is an integer number (10920510).

Almost surely, 2^79963147 is an apocalyptic number.

79963147 is a deficient number, since it is larger than the sum of its proper divisors (7400933).

79963147 is a wasteful number, since it uses less digits than its factorization.

79963147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10973.

The product of its digits is 285768, while the sum is 46.

The square root of 79963147 is about 8942.2115273572. The cubic root of 79963147 is about 430.8207633593.

The spelling of 79963147 in words is "seventy-nine million, nine hundred sixty-three thousand, one hundred forty-seven".