79609351 has 4 divisors (see below), whose sum is σ = 84292272. Its totient is φ = 74926432.

The previous prime is 79609319. The next prime is 79609381. The reversal of 79609351 is 15390697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15390697 = 7 ⋅2198671.

It is a cyclic number.

It is not a de Polignac number, because 79609351 - 2⁵ = 79609319 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79609381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341435 + ... + 2341468.

It is an arithmetic number, because the mean of its divisors is an integer number (21073068).

Almost surely, 2^79609351 is an apocalyptic number.

79609351 is a deficient number, since it is larger than the sum of its proper divisors (4682921).

79609351 is a wasteful number, since it uses less digits than its factorization.

79609351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682920.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 79609351 is about 8922.4072424430. The cubic root of 79609351 is about 430.1844368341.

The spelling of 79609351 in words is "seventy-nine million, six hundred nine thousand, three hundred fifty-one".