78148408203148 has 6 divisors (see below), whose sum is σ = 136759714355516. Its totient is φ = 39074204101572.

The previous prime is 78148408203143. The next prime is 78148408203149. The reversal of 78148408203148 is 84130280484187.

It is a happy number.

It is a super-3 number, since 3×78148408203148³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 78148408203092 and 78148408203101.

It is not an unprimeable number, because it can be changed into a prime (78148408203143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9768551025390 + ... + 9768551025397.

Almost surely, 2^{78148408203148} is an apocalyptic number.

It is an amenable number.

78148408203148 is a deficient number, since it is larger than the sum of its proper divisors (58611306152368).

78148408203148 is a wasteful number, since it uses less digits than its factorization.

78148408203148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19537102050791 (or 19537102050789 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 58.

The spelling of 78148408203148 in words is "seventy-eight trillion, one hundred forty-eight billion, four hundred eight million, two hundred three thousand, one hundred forty-eight".