1027996660231 has 4 divisors (see below), whose sum is σ = 1028265561952. Its totient is φ = 1027727758512.

The previous prime is 1027996660211. The next prime is 1027996660279. The reversal of 1027996660231 is 1320666997201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1027996660231 - 2⁹ = 1027996659719 is a prime.

It is a super-2 number, since 2×1027996660231² (a number of 25 digits) 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 (1027996660211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134445126 + ... + 134452771.

It is an arithmetic number, because the mean of its divisors is an integer number (257066390488).

Almost surely, 2^{1027996660231} is an apocalyptic number.

1027996660231 is a deficient number, since it is larger than the sum of its proper divisors (268901721).

1027996660231 is an equidigital number, since it uses as much as digits as its factorization.

1027996660231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268901720.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 1027996660231 in words is "one trillion, twenty-seven billion, nine hundred ninety-six million, six hundred sixty thousand, two hundred thirty-one".