2858078513 has 2 divisors, whose sum is σ = 2858078514. Its totient is φ = 2858078512.

The previous prime is 2858078491. The next prime is 2858078551. The reversal of 2858078513 is 3158708582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2702752144 + 155326369 = 51988^2 + 12463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2858078513 is a prime.

It is a super-2 number, since 2×2858078513² = 16337225572944582338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2858098513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429039256 + 1429039257.

It is an arithmetic number, because the mean of its divisors is an integer number (1429039257).

Almost surely, 2^2858078513 is an apocalyptic number.

It is an amenable number.

2858078513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2858078513 is an equidigital number, since it uses as much as digits as its factorization.

2858078513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 2858078513 is about 53460.9999251791. Note that the first 4 decimals coincide. The cubic root of 2858078513 is about 1419.1382910814.

The spelling of 2858078513 in words is "two billion, eight hundred fifty-eight million, seventy-eight thousand, five hundred thirteen".