74877161265568 has 48 divisors (see below), whose sum is σ = 147656472735744. Its totient is φ = 37377111502080.

The previous prime is 74877161265469. The next prime is 74877161265581. The reversal of 74877161265568 is 86556216177847.

It is a self number, because there is not a number n which added to its sum of digits gives 74877161265568.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 388337121 + ... + 388529887.

It is an arithmetic number, because the mean of its divisors is an integer number (3076176515328).

Almost surely, 2^{74877161265568} is an apocalyptic number.

It is an amenable number.

74877161265568 is a deficient number, since it is larger than the sum of its proper divisors (72779311470176).

74877161265568 is a wasteful number, since it uses less digits than its factorization.

74877161265568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212645 (or 212637 counting only the distinct ones).

The product of its digits is 948326400, while the sum is 73.

The spelling of 74877161265568 in words is "seventy-four trillion, eight hundred seventy-seven billion, one hundred sixty-one million, two hundred sixty-five thousand, five hundred sixty-eight".