2077821728732 has 6 divisors (see below), whose sum is σ = 3636188025288. Its totient is φ = 1038910864364.

The previous prime is 2077821728617. The next prime is 2077821728737. The reversal of 2077821728732 is 2378271287702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2077821728737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259727716088 + ... + 259727716095.

It is an arithmetic number, because the mean of its divisors is an integer number (606031337548).

Almost surely, 2^{2077821728732} is an apocalyptic number.

It is an amenable number.

2077821728732 is a deficient number, since it is larger than the sum of its proper divisors (1558366296556).

2077821728732 is a wasteful number, since it uses less digits than its factorization.

2077821728732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519455432187 (or 519455432185 counting only the distinct ones).

The product of its (nonzero) digits is 7375872, while the sum is 56.

The spelling of 2077821728732 in words is "two trillion, seventy-seven billion, eight hundred twenty-one million, seven hundred twenty-eight thousand, seven hundred thirty-two".