47725819679 has 4 divisors (see below), whose sum is σ = 47764653960. Its totient is φ = 47686985400.

The previous prime is 47725819663. The next prime is 47725819717. The reversal of 47725819679 is 97691852774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97691852774 = 2 ⋅48845926387.

It is a cyclic number.

It is not a de Polignac number, because 47725819679 - 2⁴ = 47725819663 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 (47725819619) 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, 19415297 + ... + 19417754.

It is an arithmetic number, because the mean of its divisors is an integer number (11941163490).

Almost surely, 2^47725819679 is an apocalyptic number.

47725819679 is a deficient number, since it is larger than the sum of its proper divisors (38834281).

47725819679 is a wasteful number, since it uses less digits than its factorization.

47725819679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38834280.

The product of its digits is 53343360, while the sum is 65.

The spelling of 47725819679 in words is "forty-seven billion, seven hundred twenty-five million, eight hundred nineteen thousand, six hundred seventy-nine".