2027748917 has 4 divisors (see below), whose sum is σ = 2028425376. Its totient is φ = 2027072460.

The previous prime is 2027748901. The next prime is 2027749021. The reversal of 2027748917 is 7198477202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2027748917 - 2⁴ = 2027748901 is a prime.

It is a super-2 number, since 2×2027748917² = 8223531340789345778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027741917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333713 + ... + 339734.

It is an arithmetic number, because the mean of its divisors is an integer number (507106344).

Almost surely, 2^2027748917 is an apocalyptic number.

It is an amenable number.

2027748917 is a deficient number, since it is larger than the sum of its proper divisors (676459).

2027748917 is an equidigital number, since it uses as much as digits as its factorization.

2027748917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676458.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 2027748917 is about 45030.5331636213. The cubic root of 2027748917 is about 1265.7212147569.

The spelling of 2027748917 in words is "two billion, twenty-seven million, seven hundred forty-eight thousand, nine hundred seventeen".