2058807678 has 24 divisors (see below), whose sum is σ = 4374079512. Its totient is φ = 645899904.

The previous prime is 2058807629. The next prime is 2058807679. The reversal of 2058807678 is 8767088502.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2058807678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058807679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591925 + ... + 595392.

It is an arithmetic number, because the mean of its divisors is an integer number (182253313).

Almost surely, 2^2058807678 is an apocalyptic number.

2058807678 is an abundant number, since it is smaller than the sum of its proper divisors (2315271834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2058807678 is a wasteful number, since it uses less digits than its factorization.

2058807678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187356 (or 1187339 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The square root of 2058807678 is about 45374.0859742651. The cubic root of 2058807678 is about 1272.1507932559.

The spelling of 2058807678 in words is "two billion, fifty-eight million, eight hundred seven thousand, six hundred seventy-eight".