780858468 has 120 divisors (see below), whose sum is σ = 2231960192. Its totient is φ = 236592576.

The previous prime is 780858391. The next prime is 780858479. The reversal of 780858468 is 864858087.

780858468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 280821 + ... + 283587.

Almost surely, 2^780858468 is an apocalyptic number.

780858468 is a gapful number since it is divisible by the number (78) 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 780858468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115980096).

780858468 is an abundant number, since it is smaller than the sum of its proper divisors (1451101724).

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

780858468 is a wasteful number, since it uses less digits than its factorization.

780858468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The square root of 780858468 is about 27943.8449036635. The cubic root of 780858468 is about 920.8539912202.

The spelling of 780858468 in words is "seven hundred eighty million, eight hundred fifty-eight thousand, four hundred sixty-eight".