780196950 has 108 divisors (see below), whose sum is σ = 2269994220. Its totient is φ = 192029760.

The previous prime is 780196939. The next prime is 780196973. The reversal of 780196950 is 59691087.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 780196896 and 780196905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 70921 + ... + 81179.

It is an arithmetic number, because the mean of its divisors is an integer number (21018465).

Almost surely, 2^780196950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780196950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134997110).

780196950 is an abundant number, since it is smaller than the sum of its proper divisors (1489797270).

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

780196950 is a wasteful number, since it uses less digits than its factorization.

780196950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10303 (or 10282 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 780196950 is about 27932.0058356001. The cubic root of 780196950 is about 920.5938785292.

The spelling of 780196950 in words is "seven hundred eighty million, one hundred ninety-six thousand, nine hundred fifty".