780139206000 has 480 divisors, whose sum is σ = 3397117142016. Its totient is φ = 162106560000.

The previous prime is 780139205921. The next prime is 780139206001. The reversal of 780139206000 is 602931087.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780139206001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1104565 + ... + 1667435.

Almost surely, 2^780139206000 is an apocalyptic number.

780139206000 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 780139206000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698558571008).

780139206000 is an abundant number, since it is smaller than the sum of its proper divisors (2616977936016).

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

780139206000 is a wasteful number, since it uses less digits than its factorization.

780139206000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562918 (or 562899 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 780139206000 in words is "seven hundred eighty billion, one hundred thirty-nine million, two hundred six thousand".