2076781653 has 16 divisors (see below), whose sum is σ = 3078474240. Its totient is φ = 1383728832.

The previous prime is 2076781639. The next prime is 2076781691. The reversal of 2076781653 is 3561876702.

It is not a de Polignac number, because 2076781653 - 2⁸ = 2076781397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2076781599 and 2076781608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076781153) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28125 + ... + 70317.

It is an arithmetic number, because the mean of its divisors is an integer number (192404640).

Almost surely, 2^2076781653 is an apocalyptic number.

It is an amenable number.

2076781653 is a deficient number, since it is larger than the sum of its proper divisors (1001692587).

2076781653 is a wasteful number, since it uses less digits than its factorization.

2076781653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44025 (or 44019 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 2076781653 is about 45571.7198819619. The cubic root of 2076781653 is about 1275.8421508945.

The spelling of 2076781653 in words is "two billion, seventy-six million, seven hundred eighty-one thousand, six hundred fifty-three".