797801340 has 144 divisors (see below), whose sum is σ = 2628612000. Its totient is φ = 180246528.

The previous prime is 797801327. The next prime is 797801351. The reversal of 797801340 is 43108797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260136 + ... + 263184.

It is an arithmetic number, because the mean of its divisors is an integer number (18254250).

Almost surely, 2^797801340 is an apocalyptic number.

797801340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797801340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314306000).

797801340 is an abundant number, since it is smaller than the sum of its proper divisors (1830810660).

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

797801340 is a wasteful number, since it uses less digits than its factorization.

797801340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 797801340 is about 28245.3773208998. The cubic root of 797801340 is about 927.4665467939.

The spelling of 797801340 in words is "seven hundred ninety-seven million, eight hundred one thousand, three hundred forty".