127790208 has 384 divisors, whose sum is σ = 481178880. Its totient is φ = 31629312.

The previous prime is 127790167. The next prime is 127790209. The reversal of 127790208 is 802097721.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (127790209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2411110 + ... + 2411162.

It is an arithmetic number, because the mean of its divisors is an integer number (1253070).

Almost surely, 2^127790208 is an apocalyptic number.

127790208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127790208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240589440).

127790208 is an abundant number, since it is smaller than the sum of its proper divisors (353388672).

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

127790208 is a wasteful number, since it uses less digits than its factorization.

127790208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 127790208 is about 11304.4331127218. The cubic root of 127790208 is about 503.6929346495.

The spelling of 127790208 in words is "one hundred twenty-seven million, seven hundred ninety thousand, two hundred eight".