43379907858 has 120 divisors (see below), whose sum is σ = 113824998144. Its totient is φ = 12311838000.

The previous prime is 43379907841. The next prime is 43379907871. The reversal of 43379907858 is 85870997334.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43379907795 and 43379907804.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1180543 + ... + 1216733.

Almost surely, 2^43379907858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43379907858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56912499072).

43379907858 is an abundant number, since it is smaller than the sum of its proper divisors (70445090286).

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

43379907858 is a wasteful number, since it uses less digits than its factorization.

43379907858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36370 (or 36354 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 43379907858 in words is "forty-three billion, three hundred seventy-nine million, nine hundred seven thousand, eight hundred fifty-eight".