780747048 has 96 divisors (see below), whose sum is σ = 2199600000. Its totient is φ = 249879168.

The previous prime is 780746999. The next prime is 780747061. The reversal of 780747048 is 840747087.

It is a junction number, because it is equal to n+sod(n) for n = 780746994 and 780747012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414573 + ... + 416451.

It is an arithmetic number, because the mean of its divisors is an integer number (22912500).

Almost surely, 2^780747048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780747048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1099800000).

780747048 is an abundant number, since it is smaller than the sum of its proper divisors (1418852952).

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

780747048 is a wasteful number, since it uses less digits than its factorization.

780747048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 780747048 is about 27941.8511913581. The cubic root of 780747048 is about 920.8101905247.

The spelling of 780747048 in words is "seven hundred eighty million, seven hundred forty-seven thousand, forty-eight".