79220016 has 30 divisors (see below), whose sum is σ = 221706420. Its totient is φ = 26406624.

The previous prime is 79220003. The next prime is 79220021. The reversal of 79220016 is 61002297.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274926 + ... + 275213.

It is an arithmetic number, because the mean of its divisors is an integer number (7390214).

Almost surely, 2^79220016 is an apocalyptic number.

It is an amenable number.

79220016 is an abundant number, since it is smaller than the sum of its proper divisors (142486404).

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

79220016 is a wasteful number, since it uses less digits than its factorization.

79220016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550153 (or 550144 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 79220016 is about 8900.5626788423. The cubic root of 79220016 is about 429.4820083147.

The spelling of 79220016 in words is "seventy-nine million, two hundred twenty thousand, sixteen".