797798616 has 32 divisors (see below), whose sum is σ = 2015064240. Its totient is φ = 263190528.

The previous prime is 797798611. The next prime is 797798629. The reversal of 797798616 is 616897797.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 797798616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797798611) 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, 169021 + ... + 173676.

Almost surely, 2^797798616 is an apocalyptic number.

It is an amenable number.

797798616 is an abundant number, since it is smaller than the sum of its proper divisors (1217265624).

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

797798616 is a wasteful number, since it uses less digits than its factorization.

797798616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342803 (or 342799 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 60.

The square root of 797798616 is about 28245.3291005787. The cubic root of 797798616 is about 927.4654912171.

The spelling of 797798616 in words is "seven hundred ninety-seven million, seven hundred ninety-eight thousand, six hundred sixteen".