79120261 has 8 divisors (see below), whose sum is σ = 91390464. Its totient is φ = 67696320.

The previous prime is 79120259. The next prime is 79120267. The reversal of 79120261 is 16202197.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79120261 - 2¹ = 79120259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79120267) 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, 211365 + ... + 211738.

It is an arithmetic number, because the mean of its divisors is an integer number (11423808).

Almost surely, 2^79120261 is an apocalyptic number.

It is an amenable number.

79120261 is a deficient number, since it is larger than the sum of its proper divisors (12270203).

79120261 is a wasteful number, since it uses less digits than its factorization.

79120261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423131.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 79120261 is about 8894.9570544213. The cubic root of 79120261 is about 429.3016625917.

The spelling of 79120261 in words is "seventy-nine million, one hundred twenty thousand, two hundred sixty-one".