78242532476560 has 40 divisors (see below), whose sum is σ = 181920071995200. Its totient is φ = 31295949078912.

The previous prime is 78242532476543. The next prime is 78242532476567. The reversal of 78242532476560 is 6567423524287.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×78242532476560² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78242532476567) 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 7 ways as a sum of consecutive naturals, for example, 14253460 + ... + 18964339.

It is an arithmetic number, because the mean of its divisors is an integer number (4548001799880).

Almost surely, 2^{78242532476560} is an apocalyptic number.

It is an amenable number.

78242532476560 is an abundant number, since it is smaller than the sum of its proper divisors (103677539518640).

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

78242532476560 is a wasteful number, since it uses less digits than its factorization.

78242532476560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33247255 (or 33247249 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 61.

The spelling of 78242532476560 in words is "seventy-eight trillion, two hundred forty-two billion, five hundred thirty-two million, four hundred seventy-six thousand, five hundred sixty".