47979659 has 16 divisors (see below), whose sum is σ = 61091520. Its totient is φ = 36650880.

The previous prime is 47979653. The next prime is 47979677. The reversal of 47979659 is 95697974.

47979659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47979659 - 2⁴ = 47979643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47979653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6452 + ... + 11729.

It is an arithmetic number, because the mean of its divisors is an integer number (3818220).

Almost surely, 2^47979659 is an apocalyptic number.

47979659 is a deficient number, since it is larger than the sum of its proper divisors (13111861).

47979659 is a wasteful number, since it uses less digits than its factorization.

47979659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230.

The product of its digits is 4286520, while the sum is 56.

The square root of 47979659 is about 6926.7350894920. The cubic root of 47979659 is about 363.3727751326.

It can be divided in two parts, 4797965 and 9, that added together give a palindrome (4797974).

The spelling of 47979659 in words is "forty-seven million, nine hundred seventy-nine thousand, six hundred fifty-nine".