78913124104971 has 32 divisors (see below), whose sum is σ = 120039430146048. Its totient is φ = 45681370974720.

The previous prime is 78913124104949. The next prime is 78913124104973. The reversal of 78913124104971 is 17940142131987.

It is not a de Polignac number, because 78913124104971 - 2⁹ = 78913124104459 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (78913124104973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29942875 + ... + 32471556.

It is an arithmetic number, because the mean of its divisors is an integer number (3751232192064).

Almost surely, 2^{78913124104971} is an apocalyptic number.

78913124104971 is a deficient number, since it is larger than the sum of its proper divisors (41126306041077).

78913124104971 is a wasteful number, since it uses less digits than its factorization.

78913124104971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62416371.

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 78913124104971 in words is "seventy-eight trillion, nine hundred thirteen billion, one hundred twenty-four million, one hundred four thousand, nine hundred seventy-one".