127666476 has 96 divisors (see below), whose sum is σ = 386426880. Its totient is φ = 35690112.

The previous prime is 127666459. The next prime is 127666477. The reversal of 127666476 is 674666721.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (127666477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33736 + ... + 37328.

It is an arithmetic number, because the mean of its divisors is an integer number (4025280).

Almost surely, 2^127666476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127666476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193213440).

127666476 is an abundant number, since it is smaller than the sum of its proper divisors (258760404).

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

127666476 is a wasteful number, since it uses less digits than its factorization.

127666476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660 (or 3652 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 127666476 is about 11298.9590670999. The cubic root of 127666476 is about 503.5303164005.

The spelling of 127666476 in words is "one hundred twenty-seven million, six hundred sixty-six thousand, four hundred seventy-six".