2078801761 has 16 divisors (see below), whose sum is σ = 2242468800. Its totient is φ = 1920699648.

The previous prime is 2078801743. The next prime is 2078801771. The reversal of 2078801761 is 1671088702.

It is a cyclic number.

It is not a de Polignac number, because 2078801761 - 2⁵ = 2078801729 is a prime.

It is a super-2 number, since 2×2078801761² = 8642833523073402242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078801731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698685 + ... + 701653.

It is an arithmetic number, because the mean of its divisors is an integer number (140154300).

Almost surely, 2^2078801761 is an apocalyptic number.

It is an amenable number.

2078801761 is a deficient number, since it is larger than the sum of its proper divisors (163667039).

2078801761 is a wasteful number, since it uses less digits than its factorization.

2078801761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888.

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 2078801761 is about 45593.8785474542. The cubic root of 2078801761 is about 1276.2556919962.

The spelling of 2078801761 in words is "two billion, seventy-eight million, eight hundred one thousand, seven hundred sixty-one".