2078672761 has 16 divisors (see below), whose sum is σ = 2338161408. Its totient is φ = 1831611600.

The previous prime is 2078672753. The next prime is 2078672801. The reversal of 2078672761 is 1672768702.

It is a cyclic number.

It is not a de Polignac number, because 2078672761 - 2³ = 2078672753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2078672741) 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 15 ways as a sum of consecutive naturals, for example, 45190 + ... + 78736.

It is an arithmetic number, because the mean of its divisors is an integer number (146135088).

Almost surely, 2^2078672761 is an apocalyptic number.

It is an amenable number.

2078672761 is a deficient number, since it is larger than the sum of its proper divisors (259488647).

2078672761 is a wasteful number, since it uses less digits than its factorization.

2078672761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33732.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 2078672761 is about 45592.4638619147. The cubic root of 2078672761 is about 1276.2292921100.

The spelling of 2078672761 in words is "two billion, seventy-eight million, six hundred seventy-two thousand, seven hundred sixty-one".