78101184271448 has 128 divisors (see below), whose sum is σ = 164827894533120. Its totient is φ = 34423572395520.

The previous prime is 78101184271433. The next prime is 78101184271531. The reversal of 78101184271448 is 84417248110187.

It is a junction number, because it is equal to n+sod(n) for n = 78101184271393 and 78101184271402.

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, 6023066261 + ... + 6023079227.

It is an arithmetic number, because the mean of its divisors is an integer number (1287717926040).

Almost surely, 2^{78101184271448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78101184271448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82413947266560).

78101184271448 is an abundant number, since it is smaller than the sum of its proper divisors (86726710261672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78101184271448 is a wasteful number, since it uses less digits than its factorization.

78101184271448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16897 (or 16893 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 56.

The spelling of 78101184271448 in words is "seventy-eight trillion, one hundred one billion, one hundred eighty-four million, two hundred seventy-one thousand, four hundred forty-eight".