127640748700 has 18 divisors (see below), whose sum is σ = 276980424896. Its totient is φ = 51056299440.

The previous prime is 127640748691. The next prime is 127640748709. The reversal of 127640748700 is 7847046721.

It is an interprime number because it is at equal distance from previous prime (127640748691) and next prime (127640748709).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127640748709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 638203644 + ... + 638203843.

Almost surely, 2^127640748700 is an apocalyptic number.

127640748700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127640748700 is an abundant number, since it is smaller than the sum of its proper divisors (149339676196).

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

127640748700 is a wasteful number, since it uses less digits than its factorization.

127640748700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276407501 (or 1276407494 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 127640748700 in words is "one hundred twenty-seven billion, six hundred forty million, seven hundred forty-eight thousand, seven hundred".