338763957870 has 128 divisors (see below), whose sum is σ = 897576712704. Its totient is φ = 81311952384.

The previous prime is 338763957839. The next prime is 338763957887. The reversal of 338763957870 is 78759367833.

It is a super-2 number, since 2×338763957870² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3318937 + ... + 3419483.

It is an arithmetic number, because the mean of its divisors is an integer number (7012318068).

Almost surely, 2^338763957870 is an apocalyptic number.

338763957870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 338763957870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448788356352).

338763957870 is an abundant number, since it is smaller than the sum of its proper divisors (558812754834).

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

338763957870 is a wasteful number, since it uses less digits than its factorization.

338763957870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100786.

The product of its (nonzero) digits is 160030080, while the sum is 66.

The spelling of 338763957870 in words is "three hundred thirty-eight billion, seven hundred sixty-three million, nine hundred fifty-seven thousand, eight hundred seventy".