1279708459848 has 256 divisors, whose sum is σ = 4376343552000. Its totient is φ = 337407420672.

The previous prime is 1279708459823. The next prime is 1279708459951. The reversal of 1279708459848 is 8489548079721.

1279708459848 is a `hidden beast` number, since 1 + 2 + 7 + 97 + 0 + 8 + 459 + 84 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88818261 + ... + 88832667.

It is an arithmetic number, because the mean of its divisors is an integer number (17095092000).

Almost surely, 2^{1279708459848} is an apocalyptic number.

1279708459848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1279708459848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2188171776000).

1279708459848 is an abundant number, since it is smaller than the sum of its proper divisors (3096635092152).

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

1279708459848 is a wasteful number, since it uses less digits than its factorization.

1279708459848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18961 (or 18951 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 72.

The spelling of 1279708459848 in words is "one trillion, two hundred seventy-nine billion, seven hundred eight million, four hundred fifty-nine thousand, eight hundred forty-eight".