780792480 has 192 divisors, whose sum is σ = 2943198720. Its totient is φ = 192181248.

The previous prime is 780792457. The next prime is 780792503. The reversal of 780792480 is 84297087.

780792480 is a `hidden beast` number, since 7 + 80 + 7 + 92 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (780792457) and next prime (780792503).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49209 + ... + 63111.

It is an arithmetic number, because the mean of its divisors is an integer number (15329160).

Almost surely, 2^780792480 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 780792480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471599360).

780792480 is an abundant number, since it is smaller than the sum of its proper divisors (2162406240).

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

780792480 is a wasteful number, since it uses less digits than its factorization.

780792480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940 (or 13926 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 780792480 is about 27942.6641535842. The cubic root of 780792480 is about 920.8280509560.

The spelling of 780792480 in words is "seven hundred eighty million, seven hundred ninety-two thousand, four hundred eighty".