199289757 has 12 divisors (see below), whose sum is σ = 267011360. Its totient is φ = 132216432.

The previous prime is 199289743. The next prime is 199289767. The reversal of 199289757 is 757982991.

It is not a de Polignac number, because 199289757 - 2¹⁵ = 199256989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199289697 and 199289706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199289737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453744 + ... + 454182.

Almost surely, 2^199289757 is an apocalyptic number.

It is an amenable number.

199289757 is a deficient number, since it is larger than the sum of its proper divisors (67721603).

199289757 is an frugal number, since it uses more digits than its factorization.

199289757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 831 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 57.

The square root of 199289757 is about 14117.0024084435. The cubic root of 199289757 is about 584.1104721972.

The spelling of 199289757 in words is "one hundred ninety-nine million, two hundred eighty-nine thousand, seven hundred fifty-seven".