7738774028 has 24 divisors (see below), whose sum is σ = 14363351520. Its totient is φ = 3640475520.

The previous prime is 7738773979. The next prime is 7738774039. The reversal of 7738774028 is 8204778377.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683873 + ... + 695096.

It is an arithmetic number, because the mean of its divisors is an integer number (598472980).

Almost surely, 2^7738774028 is an apocalyptic number.

It is an amenable number.

7738774028 is a deficient number, since it is larger than the sum of its proper divisors (6624577492).

7738774028 is a wasteful number, since it uses less digits than its factorization.

7738774028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379057 (or 1379055 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 53.

The square root of 7738774028 is about 87970.3019660613. The cubic root of 7738774028 is about 1977.9898338572.

The spelling of 7738774028 in words is "seven billion, seven hundred thirty-eight million, seven hundred seventy-four thousand, twenty-eight".