778057060 has 48 divisors (see below), whose sum is σ = 1787022720. Its totient is φ = 282205440.

The previous prime is 778057057. The next prime is 778057061. The reversal of 778057060 is 60750877.

It is a super-3 number, since 3×778057060³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (778057061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85657 + ... + 94303.

It is an arithmetic number, because the mean of its divisors is an integer number (37229640).

Almost surely, 2^778057060 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 778057060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893511360).

778057060 is an abundant number, since it is smaller than the sum of its proper divisors (1008965660).

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

778057060 is a wasteful number, since it uses less digits than its factorization.

778057060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076 (or 9074 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 778057060 is about 27893.6741932647. The cubic root of 778057060 is about 919.7514530225.

The spelling of 778057060 in words is "seven hundred seventy-eight million, fifty-seven thousand, sixty".