1357799868 has 48 divisors (see below), whose sum is σ = 3532828320. Its totient is φ = 450979200.

The previous prime is 1357799867. The next prime is 1357799879. The reversal of 1357799868 is 8689977531.

1357799868 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357799867) 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, 7978 + ... + 52718.

It is an arithmetic number, because the mean of its divisors is an integer number (73600590).

Almost surely, 2^1357799868 is an apocalyptic number.

1357799868 is a gapful number since it is divisible by the number (18) 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 1357799868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766414160).

1357799868 is an abundant number, since it is smaller than the sum of its proper divisors (2175028452).

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

1357799868 is a wasteful number, since it uses less digits than its factorization.

1357799868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45035 (or 45027 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The square root of 1357799868 is about 36848.3360275603. The cubic root of 1357799868 is about 1107.3338789167. Note that the first 3 decimals are identical.

The spelling of 1357799868 in words is "one billion, three hundred fifty-seven million, seven hundred ninety-nine thousand, eight hundred sixty-eight".