1023888991876 has 27 divisors (see below), whose sum is σ = 1903470051567. Its totient is φ = 481813923840.

The previous prime is 1023888991841. The next prime is 1023888991889. The reversal of 1023888991876 is 6781998883201.

The square root of 1023888991876 is 1011874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7470144900 + 1016418846976 = 86430^2 + 1008176^2 .

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 34388836 + ... + 34418596.

Almost surely, 2^{1023888991876} is an apocalyptic number.

1023888991876 is the 1011874-th square number.

It is an amenable number.

1023888991876 is a deficient number, since it is larger than the sum of its proper divisors (879581059691).

1023888991876 is an frugal number, since it uses more digits than its factorization.

1023888991876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59560 (or 29780 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 70.

The spelling of 1023888991876 in words is "one trillion, twenty-three billion, eight hundred eighty-eight million, nine hundred ninety-one thousand, eight hundred seventy-six".