78825415735137 has 32 divisors (see below), whose sum is σ = 110987195356800. Its totient is φ = 49624725385728.

The previous prime is 78825415735103. The next prime is 78825415735189. The reversal of 78825415735137 is 73153751452887.

It is not a de Polignac number, because 78825415735137 - 2²⁰ = 78825414686561 is a prime.

It is a Smith number, since the sum of its digits (66) 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 (78825415733137) 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, 362879563 + ... + 363096719.

It is an arithmetic number, because the mean of its divisors is an integer number (3468349854900).

Almost surely, 2^{78825415735137} is an apocalyptic number.

It is an amenable number.

78825415735137 is a deficient number, since it is larger than the sum of its proper divisors (32161779621663).

78825415735137 is a wasteful number, since it uses less digits than its factorization.

78825415735137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237585.

The product of its digits is 197568000, while the sum is 66.

The spelling of 78825415735137 in words is "seventy-eight trillion, eight hundred twenty-five billion, four hundred fifteen million, seven hundred thirty-five thousand, one hundred thirty-seven".