1076638774628 has 12 divisors (see below), whose sum is σ = 1930071949932. Its totient is φ = 525189646080.

The previous prime is 1076638774621. The next prime is 1076638774633. The reversal of 1076638774628 is 8264778366701.

It can be written as a sum of positive squares in 2 ways, for example, as 200052241984 + 876586532644 = 447272^2 + 936262^2 .

It is not an unprimeable number, because it can be changed into a prime (1076638774621) 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, 3282435125 + ... + 3282435452.

It is an arithmetic number, because the mean of its divisors is an integer number (160839329161).

Almost surely, 2^{1076638774628} is an apocalyptic number.

It is an amenable number.

1076638774628 is a deficient number, since it is larger than the sum of its proper divisors (853433175304).

1076638774628 is a wasteful number, since it uses less digits than its factorization.

1076638774628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564870622 (or 6564870620 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 65.

The spelling of 1076638774628 in words is "one trillion, seventy-six billion, six hundred thirty-eight million, seven hundred seventy-four thousand, six hundred twenty-eight".