1279398704760 has 192 divisors, whose sum is σ = 4682374594560. Its totient is φ = 300152160000.

The previous prime is 1279398704747. The next prime is 1279398704767. The reversal of 1279398704760 is 674078939721.

1279398704760 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 3 + 98 + 70 + 476 + 0 = 666.

It is a super-2 number, since 2×1279398704760² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279398704767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5088216 + ... + 5333735.

It is an arithmetic number, because the mean of its divisors is an integer number (24387367680).

Almost surely, 2^{1279398704760} is an apocalyptic number.

1279398704760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1279398704760 is an abundant number, since it is smaller than the sum of its proper divisors (3402975889800).

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

1279398704760 is a wasteful number, since it uses less digits than its factorization.

1279398704760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422010 (or 10422003 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 1279398704760 in words is "one trillion, two hundred seventy-nine billion, three hundred ninety-eight million, seven hundred four thousand, seven hundred sixty".