125584867677 has 4 divisors (see below), whose sum is σ = 167446490240. Its totient is φ = 83723245116.

The previous prime is 125584867657. The next prime is 125584867687. The reversal of 125584867677 is 776768485521.

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 125584867677 - 2¹⁰ = 125584866653 is a prime.

It is a super-3 number, since 3×125584867677³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125584867657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20930811277 + ... + 20930811282.

It is an arithmetic number, because the mean of its divisors is an integer number (41861622560).

Almost surely, 2^125584867677 is an apocalyptic number.

It is an amenable number.

125584867677 is a deficient number, since it is larger than the sum of its proper divisors (41861622563).

125584867677 is an equidigital number, since it uses as much as digits as its factorization.

125584867677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41861622562.

The product of its digits is 158054400, while the sum is 66.

The spelling of 125584867677 in words is "one hundred twenty-five billion, five hundred eighty-four million, eight hundred sixty-seven thousand, six hundred seventy-seven".