1177370978667 has 16 divisors (see below), whose sum is σ = 1691450600448. Its totient is φ = 724164573600.

The previous prime is 1177370978633. The next prime is 1177370978671. The reversal of 1177370978667 is 7668790737711.

It is not a de Polignac number, because 1177370978667 - 2²⁶ = 1177303869803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1177370976667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7660713 + ... + 7812890.

It is an arithmetic number, because the mean of its divisors is an integer number (105715662528).

Almost surely, 2^{1177370978667} is an apocalyptic number.

1177370978667 is a deficient number, since it is larger than the sum of its proper divisors (514079621781).

1177370978667 is a wasteful number, since it uses less digits than its factorization.

1177370978667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15475570.

The product of its (nonzero) digits is 130691232, while the sum is 69.

The spelling of 1177370978667 in words is "one trillion, one hundred seventy-seven billion, three hundred seventy million, nine hundred seventy-eight thousand, six hundred sixty-seven".