79956601 has 4 divisors (see below), whose sum is σ = 81906804. Its totient is φ = 78006400.

The previous prime is 79956599. The next prime is 79956607. The reversal of 79956601 is 10665997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34798201 + 45158400 = 5899^2 + 6720^2 .

It is a cyclic number.

It is not a de Polignac number, because 79956601 - 2¹ = 79956599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79956607) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 975040 + ... + 975121.

It is an arithmetic number, because the mean of its divisors is an integer number (20476701).

Almost surely, 2^79956601 is an apocalyptic number.

It is an amenable number.

79956601 is a deficient number, since it is larger than the sum of its proper divisors (1950203).

79956601 is a wasteful number, since it uses less digits than its factorization.

79956601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950202.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 79956601 is about 8941.8455030268. The cubic root of 79956601 is about 430.8090069865.

The spelling of 79956601 in words is "seventy-nine million, nine hundred fifty-six thousand, six hundred one".