127672203461 has 4 divisors (see below), whose sum is σ = 139278767424. Its totient is φ = 116065639500.

The previous prime is 127672203457. The next prime is 127672203481. The reversal of 127672203461 is 164302276721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127672203461 - 2² = 127672203457 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 (127672203481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5803281965 + ... + 5803281986.

It is an arithmetic number, because the mean of its divisors is an integer number (34819691856).

Almost surely, 2^127672203461 is an apocalyptic number.

127672203461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

127672203461 is a deficient number, since it is larger than the sum of its proper divisors (11606563963).

127672203461 is a wasteful number, since it uses less digits than its factorization.

127672203461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606563962.

The product of its (nonzero) digits is 169344, while the sum is 41.

It can be divided in two parts, 127672 and 203461, that added together give a palindrome (331133).

The spelling of 127672203461 in words is "one hundred twenty-seven billion, six hundred seventy-two million, two hundred three thousand, four hundred sixty-one".