1076393972728 has 8 divisors (see below), whose sum is σ = 2018238698880. Its totient is φ = 538196986360.

The previous prime is 1076393972681. The next prime is 1076393972729. The reversal of 1076393972728 is 8272793936701.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1076393972728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1076393972729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67274623288 + ... + 67274623303.

It is an arithmetic number, because the mean of its divisors is an integer number (252279837360).

Almost surely, 2^{1076393972728} is an apocalyptic number.

It is an amenable number.

1076393972728 is a deficient number, since it is larger than the sum of its proper divisors (941844726152).

1076393972728 is a wasteful number, since it uses less digits than its factorization.

1076393972728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134549246597 (or 134549246593 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 64.

The spelling of 1076393972728 in words is "one trillion, seventy-six billion, three hundred ninety-three million, nine hundred seventy-two thousand, seven hundred twenty-eight".