780458952728 has 192 divisors, whose sum is σ = 1832834304000. Its totient is φ = 305039195136.

The previous prime is 780458952683. The next prime is 780458952739. The reversal of 780458952728 is 827259854087.

780458952728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 485057588 + ... + 485059196.

It is an arithmetic number, because the mean of its divisors is an integer number (9546012000).

Almost surely, 2^780458952728 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 780458952728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916417152000).

780458952728 is an abundant number, since it is smaller than the sum of its proper divisors (1052375351272).

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

780458952728 is a wasteful number, since it uses less digits than its factorization.

780458952728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 65.

The spelling of 780458952728 in words is "seven hundred eighty billion, four hundred fifty-eight million, nine hundred fifty-two thousand, seven hundred twenty-eight".