780345050 has 48 divisors (see below), whose sum is σ = 1589864760. Its totient is φ = 283637760.

The previous prime is 780345043. The next prime is 780345053. The reversal of 780345050 is 50543087.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 121242121 + 659102929 = 11011^2 + 25673^2 .

It is a junction number, because it is equal to n+sod(n) for n = 780344998 and 780345016.

It is not an unprimeable number, because it can be changed into a prime (780345053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8822 + ... + 40478.

Almost surely, 2^780345050 is an apocalyptic number.

780345050 is an abundant number, since it is smaller than the sum of its proper divisors (809519710).

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

780345050 is a wasteful number, since it uses less digits than its factorization.

780345050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31715 (or 31710 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 780345050 is about 27934.6567904458. The cubic root of 780345050 is about 920.6521250730.

The spelling of 780345050 in words is "seven hundred eighty million, three hundred forty-five thousand, fifty".