127500772557376 has 63 divisors (see below), whose sum is σ = 267030078374259. Its totient is φ = 60394289793408.

The previous prime is 127500772557359. The next prime is 127500772557427. The reversal of 127500772557376 is 673755277005721.

The square root of 127500772557376 is 11291624.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1716289705 + ... + 1716363991.

Almost surely, 2^{127500772557376} is an apocalyptic number.

127500772557376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

127500772557376 is the 11291624-th square number.

It is an amenable number.

127500772557376 is an abundant number, since it is smaller than the sum of its proper divisors (139529305816883).

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

127500772557376 is an frugal number, since it uses more digits than its factorization.

127500772557376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148624 (or 74308 counting only the distinct ones).

The product of its (nonzero) digits is 151263000, while the sum is 64.

127500772557376 divided by its sum of digits (64) gives a square (1992199571209 = 1411453²).

The spelling of 127500772557376 in words is "one hundred twenty-seven trillion, five hundred billion, seven hundred seventy-two million, five hundred fifty-seven thousand, three hundred seventy-six".