127987010697 has 128 divisors (see below), whose sum is σ = 225306869760. Its totient is φ = 62789126400.

The previous prime is 127987010693. The next prime is 127987010717. The reversal of 127987010697 is 796010789721.

It is not a de Polignac number, because 127987010697 - 2² = 127987010693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127987010693) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33232822 + ... + 33236672.

It is an arithmetic number, because the mean of its divisors is an integer number (1760209920).

Almost surely, 2^127987010697 is an apocalyptic number.

It is an amenable number.

127987010697 is a deficient number, since it is larger than the sum of its proper divisors (97319859063).

127987010697 is a wasteful number, since it uses less digits than its factorization.

127987010697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043.

The product of its (nonzero) digits is 2667168, while the sum is 57.

The spelling of 127987010697 in words is "one hundred twenty-seven billion, nine hundred eighty-seven million, ten thousand, six hundred ninety-seven".