1078861038717 has 16 divisors (see below), whose sum is σ = 1793431337472. Its totient is φ = 560447292720.

The previous prime is 1078861038713. The next prime is 1078861038719. The reversal of 1078861038717 is 7178301688701.

It is not a de Polignac number, because 1078861038717 - 2² = 1078861038713 is a prime.

It is a super-2 number, since 2×1078861038717² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078861038713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335196823 + ... + 2335197284.

It is an arithmetic number, because the mean of its divisors is an integer number (112089458592).

Almost surely, 2^{1078861038717} is an apocalyptic number.

It is an amenable number.

1078861038717 is a deficient number, since it is larger than the sum of its proper divisors (714570298755).

1078861038717 is a wasteful number, since it uses less digits than its factorization.

1078861038717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670394128.

The product of its (nonzero) digits is 3161088, while the sum is 57.

The spelling of 1078861038717 in words is "one trillion, seventy-eight billion, eight hundred sixty-one million, thirty-eight thousand, seven hundred seventeen".