127778948 has 12 divisors (see below), whose sum is σ = 243941712. Its totient is φ = 58081320.

The previous prime is 127778927. The next prime is 127778977. The reversal of 127778948 is 849877721.

It is a self number, because there is not a number n which added to its sum of digits gives 127778948.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451990 + ... + 1452077.

It is an arithmetic number, because the mean of its divisors is an integer number (20328476).

Almost surely, 2^127778948 is an apocalyptic number.

It is an amenable number.

127778948 is a deficient number, since it is larger than the sum of its proper divisors (116162764).

127778948 is a wasteful number, since it uses less digits than its factorization.

127778948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904082 (or 2904080 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 53.

The square root of 127778948 is about 11303.9350670463. The cubic root of 127778948 is about 503.6781402217.

The spelling of 127778948 in words is "one hundred twenty-seven million, seven hundred seventy-eight thousand, nine hundred forty-eight".