78735473113 has 12 divisors (see below), whose sum is σ = 88039317744. Its totient is φ = 69831888800.

The previous prime is 78735473029. The next prime is 78735473119. The reversal of 78735473113 is 31137453787.

It is not a de Polignac number, because 78735473113 - 2⁹ = 78735472601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78735473119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110531 + ... + 2147512.

It is an arithmetic number, because the mean of its divisors is an integer number (7336609812).

Almost surely, 2^78735473113 is an apocalyptic number.

It is an amenable number.

78735473113 is a deficient number, since it is larger than the sum of its proper divisors (9303844631).

78735473113 is a wasteful number, since it uses less digits than its factorization.

78735473113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258136 (or 4258095 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The spelling of 78735473113 in words is "seventy-eight billion, seven hundred thirty-five million, four hundred seventy-three thousand, one hundred thirteen".