127699399080 has 192 divisors, whose sum is σ = 456907651200. Its totient is φ = 30673313280.

The previous prime is 127699399039. The next prime is 127699399099. The reversal of 127699399080 is 80993996721.

It is a happy number.

127699399080 is a `hidden beast` number, since 12 + 76 + 99 + 399 + 0 + 80 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 127699398999 and 127699399017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283717 + ... + 579563.

It is an arithmetic number, because the mean of its divisors is an integer number (2379727350).

Almost surely, 2^127699399080 is an apocalyptic number.

127699399080 is a gapful number since it is divisible by the number (10) 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 127699399080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228453825600).

127699399080 is an abundant number, since it is smaller than the sum of its proper divisors (329208252120).

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

127699399080 is a wasteful number, since it uses less digits than its factorization.

127699399080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295984 (or 295977 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 127699399080 in words is "one hundred twenty-seven billion, six hundred ninety-nine million, three hundred ninety-nine thousand, eighty".