195078712448 has 32 divisors (see below), whose sum is σ = 388807672860. Its totient is φ = 97495610368.

The previous prime is 195078712447. The next prime is 195078712547. The reversal of 195078712448 is 844217870591.

It can be written as a sum of positive squares in 2 ways, for example, as 193522567744 + 1556144704 = 439912^2 + 39448^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 195078712393 and 195078712402.

It is not an unprimeable number, because it can be changed into a prime (195078712447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54311 + ... + 626982.

Almost surely, 2^195078712448 is an apocalyptic number.

It is an amenable number.

195078712448 is a deficient number, since it is larger than the sum of its proper divisors (193728960412).

195078712448 is an equidigital number, since it uses as much as digits as its factorization.

195078712448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683544 (or 683532 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 56.

The spelling of 195078712448 in words is "one hundred ninety-five billion, seventy-eight million, seven hundred twelve thousand, four hundred forty-eight".