127900612789 has 8 divisors (see below), whose sum is σ = 132031293440. Its totient is φ = 123770235600.

The previous prime is 127900612787. The next prime is 127900612799. The reversal of 127900612789 is 987216009721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127900612789 - 2¹ = 127900612787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127900612783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042684 + ... + 1158874.

It is an arithmetic number, because the mean of its divisors is an integer number (16503911680).

Almost surely, 2^127900612789 is an apocalyptic number.

It is an amenable number.

127900612789 is a deficient number, since it is larger than the sum of its proper divisors (4130680651).

127900612789 is a wasteful number, since it uses less digits than its factorization.

127900612789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151731.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 127900612789 in words is "one hundred twenty-seven billion, nine hundred million, six hundred twelve thousand, seven hundred eighty-nine".