127898828 has 6 divisors (see below), whose sum is σ = 223822956. Its totient is φ = 63949412.

The previous prime is 127898821. The next prime is 127898851. The reversal of 127898828 is 828898721.

It is a super-2 number, since 2×127898828² = 32716220407547168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127898828.

It is not an unprimeable number, because it can be changed into a prime (127898821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15987350 + ... + 15987357.

It is an arithmetic number, because the mean of its divisors is an integer number (37303826).

Almost surely, 2^127898828 is an apocalyptic number.

It is an amenable number.

127898828 is a deficient number, since it is larger than the sum of its proper divisors (95924128).

127898828 is a wasteful number, since it uses less digits than its factorization.

127898828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31974711 (or 31974709 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 53.

The square root of 127898828 is about 11309.2364021626. The cubic root of 127898828 is about 503.8356050296.

The spelling of 127898828 in words is "one hundred twenty-seven million, eight hundred ninety-eight thousand, eight hundred twenty-eight".