1170239727678 has 48 divisors (see below), whose sum is σ = 2723038648704. Its totient is φ = 334300160880.

The previous prime is 1170239727677. The next prime is 1170239727707. The reversal of 1170239727678 is 8767279320711.

It is a super-2 number, since 2×1170239727678² (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 (1170239727677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1518033 + ... + 2155203.

It is an arithmetic number, because the mean of its divisors is an integer number (56729971848).

Almost surely, 2^{1170239727678} is an apocalyptic number.

1170239727678 is an abundant number, since it is smaller than the sum of its proper divisors (1552798921026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1170239727678 is a wasteful number, since it uses less digits than its factorization.

1170239727678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643437 (or 643430 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 60.

The spelling of 1170239727678 in words is "one trillion, one hundred seventy billion, two hundred thirty-nine million, seven hundred twenty-seven thousand, six hundred seventy-eight".