127980762966 has 64 divisors (see below), whose sum is σ = 330539558400. Its totient is φ = 35946164448.

The previous prime is 127980762911. The next prime is 127980762991. The reversal of 127980762966 is 669267089721.

127980762966 is a `hidden beast` number, since 1 + 279 + 8 + 0 + 76 + 296 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2846965 + ... + 2891568.

It is an arithmetic number, because the mean of its divisors is an integer number (5164680600).

Almost surely, 2^127980762966 is an apocalyptic number.

127980762966 is an abundant number, since it is smaller than the sum of its proper divisors (202558795434).

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

127980762966 is a wasteful number, since it uses less digits than its factorization.

127980762966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738610 (or 5738604 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 127980762966 in words is "one hundred twenty-seven billion, nine hundred eighty million, seven hundred sixty-two thousand, nine hundred sixty-six".