797669784 has 96 divisors (see below), whose sum is σ = 2301268320. Its totient is φ = 248736768.

The previous prime is 797669783. The next prime is 797669813. The reversal of 797669784 is 487966797.

Its product of digits (32006016) is a multiple of the sum of its prime factors (3969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797669783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209869 + ... + 213635.

It is an arithmetic number, because the mean of its divisors is an integer number (23971545).

Almost surely, 2^797669784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797669784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150634160).

797669784 is an abundant number, since it is smaller than the sum of its proper divisors (1503598536).

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

797669784 is a wasteful number, since it uses less digits than its factorization.

797669784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3962 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The square root of 797669784 is about 28243.0484190358. The cubic root of 797669784 is about 927.4155648054.

The spelling of 797669784 in words is "seven hundred ninety-seven million, six hundred sixty-nine thousand, seven hundred eighty-four".