2728880157 has 8 divisors (see below), whose sum is σ = 3638935584. Its totient is φ = 1819039088.

The previous prime is 2728880131. The next prime is 2728880159. The reversal of 2728880157 is 7510888272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2728880157 - 2⁶ = 2728880093 is a prime.

It is a super-2 number, since 2×2728880157² = 14893573822536689298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728880159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21063 + ... + 76820.

It is an arithmetic number, because the mean of its divisors is an integer number (454866948).

Almost surely, 2^2728880157 is an apocalyptic number.

It is an amenable number.

2728880157 is a deficient number, since it is larger than the sum of its proper divisors (910055427).

2728880157 is an equidigital number, since it uses as much as digits as its factorization.

2728880157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107179.

The product of its (nonzero) digits is 501760, while the sum is 48.

The square root of 2728880157 is about 52238.6844876477. The cubic root of 2728880157 is about 1397.4238606841.

The spelling of 2728880157 in words is "two billion, seven hundred twenty-eight million, eight hundred eighty thousand, one hundred fifty-seven".