1027621727948 has 12 divisors (see below), whose sum is σ = 1836600535392. Its totient is φ = 502878717840.

The previous prime is 1027621727947. The next prime is 1027621728037. The reversal of 1027621727948 is 8497271267201.

It is a junction number, because it is equal to n+sod(n) for n = 1027621727893 and 1027621727902.

It is not an unprimeable number, because it can be changed into a prime (1027621727947) 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, 2733036323 + ... + 2733036698.

It is an arithmetic number, because the mean of its divisors is an integer number (153050044616).

Almost surely, 2^{1027621727948} is an apocalyptic number.

It is an amenable number.

1027621727948 is a deficient number, since it is larger than the sum of its proper divisors (808978807444).

1027621727948 is a wasteful number, since it uses less digits than its factorization.

1027621727948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466073072 (or 5466073070 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 56.

The spelling of 1027621727948 in words is "one trillion, twenty-seven billion, six hundred twenty-one million, seven hundred twenty-seven thousand, nine hundred forty-eight".