780531060 has 96 divisors (see below), whose sum is σ = 2251468800. Its totient is φ = 201951360.

The previous prime is 780531029. The next prime is 780531071. The reversal of 780531060 is 60135087.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278265 + ... + 281055.

It is an arithmetic number, because the mean of its divisors is an integer number (23452800).

Almost surely, 2^780531060 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 780531060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125734400).

780531060 is an abundant number, since it is smaller than the sum of its proper divisors (1470937740).

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

780531060 is a wasteful number, since it uses less digits than its factorization.

780531060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 780531060 is about 27937.9859689277. The cubic root of 780531060 is about 920.7252708764.

The spelling of 780531060 in words is "seven hundred eighty million, five hundred thirty-one thousand, sixty".