125472277677 has 4 divisors (see below), whose sum is σ = 167296370240. Its totient is φ = 83648185116.

The previous prime is 125472277673. The next prime is 125472277727. The reversal of 125472277677 is 776772274521.

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 not a de Polignac number, because 125472277677 - 2² = 125472277673 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 (125472277673) 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, 20912046277 + ... + 20912046282.

It is an arithmetic number, because the mean of its divisors is an integer number (41824092560).

Almost surely, 2^125472277677 is an apocalyptic number.

It is an amenable number.

125472277677 is a deficient number, since it is larger than the sum of its proper divisors (41824092563).

125472277677 is an equidigital number, since it uses as much as digits as its factorization.

125472277677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41824092562.

The product of its digits is 16134720, while the sum is 57.

The spelling of 125472277677 in words is "one hundred twenty-five billion, four hundred seventy-two million, two hundred seventy-seven thousand, six hundred seventy-seven".