2078058681 has 24 divisors (see below), whose sum is σ = 3128592896. Its totient is φ = 1327648320.

The previous prime is 2078058679. The next prime is 2078058701. The reversal of 2078058681 is 1868508702.

It is not a de Polignac number, because 2078058681 - 2¹ = 2078058679 is a prime.

It is a super-2 number, since 2×2078058681² = 8636655763358919522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078058641) 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 23 ways as a sum of consecutive naturals, for example, 7420 + ... + 64893.

Almost surely, 2^2078058681 is an apocalyptic number.

It is an amenable number.

2078058681 is a deficient number, since it is larger than the sum of its proper divisors (1050534215).

2078058681 is a wasteful number, since it uses less digits than its factorization.

2078058681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72453 (or 72450 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 2078058681 is about 45585.7289181603. The cubic root of 2078058681 is about 1276.1036054883.

The spelling of 2078058681 in words is "two billion, seventy-eight million, fifty-eight thousand, six hundred eighty-one".