2077765530 has 64 divisors (see below), whose sum is σ = 5093352576. Its totient is φ = 542304000.

The previous prime is 2077765471. The next prime is 2077765531. The reversal of 2077765530 is 355677702.

It is not an unprimeable number, because it can be changed into a prime (2077765531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383440 + ... + 388820.

It is an arithmetic number, because the mean of its divisors is an integer number (79583634).

Almost surely, 2^2077765530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2077765530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2546676288).

2077765530 is an abundant number, since it is smaller than the sum of its proper divisors (3015587046).

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

2077765530 is a wasteful number, since it uses less digits than its factorization.

2077765530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663.

The product of its (nonzero) digits is 308700, while the sum is 42.

The square root of 2077765530 is about 45582.5134234610. The cubic root of 2077765530 is about 1276.0435961723.

The spelling of 2077765530 in words is "two billion, seventy-seven million, seven hundred sixty-five thousand, five hundred thirty".