47992166608 has 80 divisors (see below), whose sum is σ = 101648922624. Its totient is φ = 21858232320.

The previous prime is 47992166587. The next prime is 47992166669. The reversal of 47992166608 is 80666129974.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909741 + ... + 1934707.

Almost surely, 2^47992166608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47992166608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50824461312).

47992166608 is an abundant number, since it is smaller than the sum of its proper divisors (53656756016).

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

47992166608 is a wasteful number, since it uses less digits than its factorization.

47992166608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25220 (or 25214 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 47992166608 in words is "forty-seven billion, nine hundred ninety-two million, one hundred sixty-six thousand, six hundred eight".