127797628 has 24 divisors (see below), whose sum is σ = 260420832. Its totient is φ = 53736384.

The previous prime is 127797617. The next prime is 127797641. The reversal of 127797628 is 826797721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41575 + ... + 44542.

It is an arithmetic number, because the mean of its divisors is an integer number (10850868).

Almost surely, 2^127797628 is an apocalyptic number.

It is an amenable number.

127797628 is an abundant number, since it is smaller than the sum of its proper divisors (132623204).

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

127797628 is a wasteful number, since it uses less digits than its factorization.

127797628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86181 (or 86179 counting only the distinct ones).

The product of its digits is 592704, while the sum is 49.

The square root of 127797628 is about 11304.7612977895. The cubic root of 127797628 is about 503.7026832557.

The spelling of 127797628 in words is "one hundred twenty-seven million, seven hundred ninety-seven thousand, six hundred twenty-eight".