79287851 has 8 divisors (see below), whose sum is σ = 79866864. Its totient is φ = 78711520.

The previous prime is 79287839. The next prime is 79287883. The reversal of 79287851 is 15878297.

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

It is not a de Polignac number, because 79287851 - 2⁶ = 79287787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79287796 and 79287805.

It is not an unprimeable number, because it can be changed into a prime (79287821) 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, 134780 + ... + 135366.

It is an arithmetic number, because the mean of its divisors is an integer number (9983358).

Almost surely, 2^79287851 is an apocalyptic number.

79287851 is a deficient number, since it is larger than the sum of its proper divisors (579013).

79287851 is a wasteful number, since it uses less digits than its factorization.

79287851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its digits is 282240, while the sum is 47.

The square root of 79287851 is about 8904.3725775599. The cubic root of 79287851 is about 429.6045598355.

The spelling of 79287851 in words is "seventy-nine million, two hundred eighty-seven thousand, eight hundred fifty-one".