79247101 has 4 divisors (see below), whose sum is σ = 79380000. Its totient is φ = 79114204.

The previous prime is 79247099. The next prime is 79247117. The reversal of 79247101 is 10174297.

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 79247101 - 2¹ = 79247099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79247141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65551 + ... + 66748.

It is an arithmetic number, because the mean of its divisors is an integer number (19845000).

Almost surely, 2^79247101 is an apocalyptic number.

It is an amenable number.

79247101 is a deficient number, since it is larger than the sum of its proper divisors (132899).

79247101 is a wasteful number, since it uses less digits than its factorization.

79247101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132898.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 79247101 is about 8902.0840818316. The cubic root of 79247101 is about 429.5309487859.

The spelling of 79247101 in words is "seventy-nine million, two hundred forty-seven thousand, one hundred one".