79228650 has 24 divisors (see below), whose sum is σ = 196487424. Its totient is φ = 21127600.

The previous prime is 79228649. The next prime is 79228657. The reversal of 79228650 is 5682297.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 79228599 and 79228608.

It is not an unprimeable number, because it can be changed into a prime (79228657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263946 + ... + 264245.

It is an arithmetic number, because the mean of its divisors is an integer number (8186976).

Almost surely, 2^79228650 is an apocalyptic number.

79228650 is an abundant number, since it is smaller than the sum of its proper divisors (117258774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79228650 is a wasteful number, since it uses less digits than its factorization.

79228650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528206 (or 528201 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 79228650 is about 8901.0476911429. The cubic root of 79228650 is about 429.4976104867.

The spelling of 79228650 in words is "seventy-nine million, two hundred twenty-eight thousand, six hundred fifty".