79651 has 8 divisors (see below), whose sum is σ = 93744. Its totient is φ = 66720.

The previous prime is 79633. The next prime is 79657. The reversal of 79651 is 15697.

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 79651 - 2⁹ = 79139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79657) 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, 136 + ... + 421.

It is an arithmetic number, because the mean of its divisors is an integer number (11718).

2⁷⁹⁶⁵¹ is an apocalyptic number.

79651 is a deficient number, since it is larger than the sum of its proper divisors (14093).

79651 is a wasteful number, since it uses less digits than its factorization.

79651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581.

The product of its digits is 1890, while the sum is 28.

The square root of 79651 is about 282.2250874745. The cubic root of 79651 is about 43.0259443215.

The spelling of 79651 in words is "seventy-nine thousand, six hundred fifty-one".