780375720960 has 1232 divisors, whose sum is σ = 3112272555840. Its totient is φ = 186086522880.

The previous prime is 780375720947. The next prime is 780375720977. The reversal of 780375720960 is 69027573087.

780375720960 is a `hidden beast` number, since 7 + 8 + 0 + 3 + 7 + 572 + 0 + 9 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 780375720897 and 780375720906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 3407754126 + ... + 3407754354.

Almost surely, 2^780375720960 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 780375720960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556136277920).

780375720960 is an abundant number, since it is smaller than the sum of its proper divisors (2331896834880).

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

780375720960 is a wasteful number, since it uses less digits than its factorization.

780375720960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 780375720960 in words is "seven hundred eighty billion, three hundred seventy-five million, seven hundred twenty thousand, nine hundred sixty".