79850 has 12 divisors (see below), whose sum is σ = 148614. Its totient is φ = 31920.

The previous prime is 79847. The next prime is 79861. The reversal of 79850 is 5897.

79850 = 76² + 77² + ... + 87².

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 47089 + 32761 = 217^2 + 181^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 749 + ... + 848.

2⁷⁹⁸⁵⁰ is an apocalyptic number.

79850 is a deficient number, since it is larger than the sum of its proper divisors (68764).

79850 is a wasteful number, since it uses less digits than its factorization.

79850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 79850 is about 282.5774230189. The cubic root of 79850 is about 43.0617465179.

It can be divided in two parts, 798 and 50, that added together give a palindrome (848).

The spelling of 79850 in words is "seventy-nine thousand, eight hundred fifty".