47664139002 has 16 divisors (see below), whose sum is σ = 95899108032. Its totient is φ = 15792908000.

The previous prime is 47664138989. The next prime is 47664139009. The reversal of 47664139002 is 20093146674.

It is not an unprimeable number, because it can be changed into a prime (47664139009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23783499 + ... + 23785502.

It is an arithmetic number, because the mean of its divisors is an integer number (5993694252).

Almost surely, 2^47664139002 is an apocalyptic number.

47664139002 is an abundant number, since it is smaller than the sum of its proper divisors (48234969030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47664139002 is a wasteful number, since it uses less digits than its factorization.

47664139002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47569173.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 47664139002 in words is "forty-seven billion, six hundred sixty-four million, one hundred thirty-nine thousand, two".