78530545736876 has 6 divisors (see below), whose sum is σ = 137428455039540. Its totient is φ = 39265272868436.

The previous prime is 78530545736869. The next prime is 78530545736921. The reversal of 78530545736876 is 67863754503587.

It is a super-2 number, since 2×78530545736876² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9816318217106 + ... + 9816318217113.

It is an arithmetic number, because the mean of its divisors is an integer number (22904742506590).

Almost surely, 2^{78530545736876} is an apocalyptic number.

It is an amenable number.

78530545736876 is a deficient number, since it is larger than the sum of its proper divisors (58897909302664).

78530545736876 is a wasteful number, since it uses less digits than its factorization.

78530545736876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19632636434223 (or 19632636434221 counting only the distinct ones).

The product of its (nonzero) digits is 3556224000, while the sum is 74.

The spelling of 78530545736876 in words is "seventy-eight trillion, five hundred thirty billion, five hundred forty-five million, seven hundred thirty-six thousand, eight hundred seventy-six".