2728757158 has 4 divisors (see below), whose sum is σ = 4093135740. Its totient is φ = 1364378578.

The previous prime is 2728757153. The next prime is 2728757189. The reversal of 2728757158 is 8517578272.

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

It is a super-2 number, since 2×2728757158² = 14892231254672473928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728757153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682189288 + ... + 682189291.

It is an arithmetic number, because the mean of its divisors is an integer number (1023283935).

Almost surely, 2^2728757158 is an apocalyptic number.

2728757158 is a deficient number, since it is larger than the sum of its proper divisors (1364378582).

2728757158 is a wasteful number, since it uses less digits than its factorization.

2728757158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364378581.

The product of its digits is 2195200, while the sum is 52.

The square root of 2728757158 is about 52237.5071955008. The cubic root of 2728757158 is about 1397.4028649753.

The spelling of 2728757158 in words is "two billion, seven hundred twenty-eight million, seven hundred fifty-seven thousand, one hundred fifty-eight".