2728976258 has 4 divisors (see below), whose sum is σ = 4093464390. Its totient is φ = 1364488128.

The previous prime is 2728976231. The next prime is 2728976279. The reversal of 2728976258 is 8526798272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2726197369 + 2778889 = 52213^2 + 1667^2 .

It is a super-2 number, since 2×2728976258² = 14894622833455365128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682244063 + ... + 682244066.

Almost surely, 2^2728976258 is an apocalyptic number.

2728976258 is a deficient number, since it is larger than the sum of its proper divisors (1364488132).

2728976258 is a wasteful number, since it uses less digits than its factorization.

2728976258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364488131.

The product of its digits is 6773760, while the sum is 56.

The square root of 2728976258 is about 52239.6043055458. The cubic root of 2728976258 is about 1397.4402645136.

The spelling of 2728976258 in words is "two billion, seven hundred twenty-eight million, nine hundred seventy-six thousand, two hundred fifty-eight".