78112863040964 has 12 divisors (see below), whose sum is σ = 136697572862844. Its totient is φ = 39056413651584.

The previous prime is 78112863040957. The next prime is 78112863040999. The reversal of 78112863040964 is 46904036821187.

78112863040964 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50186711410564 + 27926151630400 = 7084258^2 + 5284520^2 .

It is a super-2 number, since 2×78112863040964² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12691712 + ... + 17813064.

It is an arithmetic number, because the mean of its divisors is an integer number (11391464405237).

Almost surely, 2^{78112863040964} is an apocalyptic number.

It is an amenable number.

78112863040964 is a deficient number, since it is larger than the sum of its proper divisors (58584709821880).

78112863040964 is a wasteful number, since it uses less digits than its factorization.

78112863040964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934454 (or 8934452 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 78112863040964 in words is "seventy-eight trillion, one hundred twelve billion, eight hundred sixty-three million, forty thousand, nine hundred sixty-four".