78468413431375 has 32 divisors (see below), whose sum is σ = 113115365123904. Its totient is φ = 53710999552000.

The previous prime is 78468413431327. The next prime is 78468413431411. The reversal of 78468413431375 is 57313431486487.

It is a de Polignac number, because none of the positive numbers 2^k-78468413431375 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1678445362 + ... + 1678492111.

It is an arithmetic number, because the mean of its divisors is an integer number (3534855160122).

Almost surely, 2^{78468413431375} is an apocalyptic number.

78468413431375 is a deficient number, since it is larger than the sum of its proper divisors (34646951692529).

78468413431375 is a wasteful number, since it uses less digits than its factorization.

78468413431375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356937516 (or 3356937506 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 64.

The spelling of 78468413431375 in words is "seventy-eight trillion, four hundred sixty-eight billion, four hundred thirteen million, four hundred thirty-one thousand, three hundred seventy-five".