127564983 has 48 divisors (see below), whose sum is σ = 236782560. Its totient is φ = 67277952.

The previous prime is 127564967. The next prime is 127565033. The reversal of 127564983 is 389465721.

127564983 is a `hidden beast` number, since 1 + 2 + 7 + 564 + 9 + 83 = 666.

It is not a de Polignac number, because 127564983 - 2⁴ = 127564967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127564963) 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, 13491 + ... + 20907.

It is an arithmetic number, because the mean of its divisors is an integer number (4932970).

Almost surely, 2^127564983 is an apocalyptic number.

127564983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

127564983 is a deficient number, since it is larger than the sum of its proper divisors (109217577).

127564983 is a wasteful number, since it uses less digits than its factorization.

127564983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7453 (or 7440 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 127564983 is about 11294.4669196913. The cubic root of 127564983 is about 503.3968479220.

The spelling of 127564983 in words is "one hundred twenty-seven million, five hundred sixty-four thousand, nine hundred eighty-three".