1448828961867 has 60 divisors (see below), whose sum is σ = 2627544010960. Its totient is φ = 779202042624.

The previous prime is 1448828961823. The next prime is 1448828961887. The reversal of 1448828961867 is 7681698288441.

It is a happy number.

1448828961867 is a `hidden beast` number, since 1 + 4 + 488 + 2 + 8 + 9 + 61 + 86 + 7 = 666.

It is not a de Polignac number, because 1448828961867 - 2²³ = 1448820573259 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1448828961795 and 1448828961804.

It is not an unprimeable number, because it can be changed into a prime (1448828961887) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4256992 + ... + 4584717.

Almost surely, 2^{1448828961867} is an apocalyptic number.

1448828961867 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1448828961867 is a deficient number, since it is larger than the sum of its proper divisors (1178715049093).

1448828961867 is an equidigital number, since it uses as much as digits as its factorization.

1448828961867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841762 (or 8841736 counting only the distinct ones).

The product of its digits is 297271296, while the sum is 72.

The spelling of 1448828961867 in words is "one trillion, four hundred forty-eight billion, eight hundred twenty-eight million, nine hundred sixty-one thousand, eight hundred sixty-seven".