79850221 has 8 divisors (see below), whose sum is σ = 88337088. Its totient is φ = 71568000.

The previous prime is 79850191. The next prime is 79850237. The reversal of 79850221 is 12205897.

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

It is not a de Polignac number, because 79850221 - 2⁵ = 79850189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79851221) 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, 50340 + ... + 51901.

It is an arithmetic number, because the mean of its divisors is an integer number (11042136).

Almost surely, 2^79850221 is an apocalyptic number.

79850221 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

79850221 is a deficient number, since it is larger than the sum of its proper divisors (8486867).

79850221 is a wasteful number, since it uses less digits than its factorization.

79850221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102323.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 79850221 is about 8935.8950866715. The cubic root of 79850221 is about 430.6178624508.

The spelling of 79850221 in words is "seventy-nine million, eight hundred fifty thousand, two hundred twenty-one".