797967018 has 32 divisors (see below), whose sum is σ = 1782285120. Its totient is φ = 264635280.

The previous prime is 797967011. The next prime is 797967043. The reversal of 797967018 is 810769797.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (797967011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26868 + ... + 48143.

It is an arithmetic number, because the mean of its divisors is an integer number (55696410).

Almost surely, 2^797967018 is an apocalyptic number.

797967018 is an abundant number, since it is smaller than the sum of its proper divisors (984318102).

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

797967018 is a wasteful number, since it uses less digits than its factorization.

797967018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75219 (or 75213 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 797967018 is about 28248.3100025471. The cubic root of 797967018 is about 927.5307441319.

The spelling of 797967018 in words is "seven hundred ninety-seven million, nine hundred sixty-seven thousand, eighteen".