127780748 has 12 divisors (see below), whose sum is σ = 223746600. Its totient is φ = 63853152.

The previous prime is 127780747. The next prime is 127780781. The reversal of 127780748 is 847087721.

It is a junction number, because it is equal to n+sod(n) for n = 127780699 and 127780708.

It is not an unprimeable number, because it can be changed into a prime (127780747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 16001.

It is an arithmetic number, because the mean of its divisors is an integer number (18645550).

Almost surely, 2^127780748 is an apocalyptic number.

It is an amenable number.

127780748 is a deficient number, since it is larger than the sum of its proper divisors (95965852).

127780748 is a wasteful number, since it uses less digits than its factorization.

127780748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18616 (or 18614 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 44.

The square root of 127780748 is about 11304.0146850577. The cubic root of 127780748 is about 503.6805052863.

The spelling of 127780748 in words is "one hundred twenty-seven million, seven hundred eighty thousand, seven hundred forty-eight".