2577378852730 has 16 divisors (see below), whose sum is σ = 5061034838304. Its totient is φ = 937228673680.

The previous prime is 2577378852667. The next prime is 2577378852731. The reversal of 2577378852730 is 372588737752.

2577378852730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2577378852730² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2577378852731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11715358312 + ... + 11715358531.

It is an arithmetic number, because the mean of its divisors is an integer number (316314677394).

Almost surely, 2^{2577378852730} is an apocalyptic number.

2577378852730 is a deficient number, since it is larger than the sum of its proper divisors (2483655985574).

2577378852730 is a wasteful number, since it uses less digits than its factorization.

2577378852730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23430716861.

The product of its (nonzero) digits is 138297600, while the sum is 64.

The spelling of 2577378852730 in words is "two trillion, five hundred seventy-seven billion, three hundred seventy-eight million, eight hundred fifty-two thousand, seven hundred thirty".