127969464 has 64 divisors (see below), whose sum is σ = 371116800. Its totient is φ = 36013824.

The previous prime is 127969463. The next prime is 127969469. The reversal of 127969464 is 464969721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127969463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5572 + ... + 16940.

It is an arithmetic number, because the mean of its divisors is an integer number (5798700).

Almost surely, 2^127969464 is an apocalyptic number.

127969464 is a gapful number since it is divisible by the number (14) 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 127969464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185558400).

127969464 is an abundant number, since it is smaller than the sum of its proper divisors (243147336).

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

127969464 is a wasteful number, since it uses less digits than its factorization.

127969464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11452 (or 11448 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 127969464 is about 11312.3589051974. The cubic root of 127969464 is about 503.9283407819.

The spelling of 127969464 in words is "one hundred twenty-seven million, nine hundred sixty-nine thousand, four hundred sixty-four".