10287866204338 has 4 divisors (see below), whose sum is σ = 15431799306510. Its totient is φ = 5143933102168.

The previous prime is 10287866204333. The next prime is 10287866204393. The reversal of 10287866204338 is 83340266878201.

It is a happy number.

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., 10286920826329 + 945378009 = 3207323^2 + 30747^2 .

It is a super-3 number, since 3×10287866204338³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10287866204333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571966551083 + ... + 2571966551086.

Almost surely, 2^{10287866204338} is an apocalyptic number.

10287866204338 is a deficient number, since it is larger than the sum of its proper divisors (5143933102172).

10287866204338 is an equidigital number, since it uses as much as digits as its factorization.

10287866204338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143933102171.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 10287866204338 in words is "ten trillion, two hundred eighty-seven billion, eight hundred sixty-six million, two hundred four thousand, three hundred thirty-eight".