127707515090 has 16 divisors (see below), whose sum is σ = 243395499672. Its totient is φ = 48078123264.

The previous prime is 127707515087. The next prime is 127707515123. The reversal of 127707515090 is 90515707721.

It can be written as a sum of positive squares in 4 ways, for example, as 83640688849 + 44066826241 = 289207^2 + 209921^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375610169 + ... + 375610508.

Almost surely, 2^127707515090 is an apocalyptic number.

127707515090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127707515090 is a deficient number, since it is larger than the sum of its proper divisors (115687984582).

127707515090 is a wasteful number, since it uses less digits than its factorization.

127707515090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751220701.

The product of its (nonzero) digits is 154350, while the sum is 44.

The spelling of 127707515090 in words is "one hundred twenty-seven billion, seven hundred seven million, five hundred fifteen thousand, ninety".