47206440279 has 40 divisors (see below), whose sum is σ = 71117101440. Its totient is φ = 31204859904.

The previous prime is 47206440257. The next prime is 47206440287. The reversal of 47206440279 is 97204460274.

It is not a de Polignac number, because 47206440279 - 2⁸ = 47206440023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47206440079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4637107 + ... + 4647275.

It is an arithmetic number, because the mean of its divisors is an integer number (1777927536).

Almost surely, 2^47206440279 is an apocalyptic number.

47206440279 is a deficient number, since it is larger than the sum of its proper divisors (23910661161).

47206440279 is a wasteful number, since it uses less digits than its factorization.

47206440279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661 (or 10652 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 47206440279 in words is "forty-seven billion, two hundred six million, four hundred forty thousand, two hundred seventy-nine".