47980776 has 64 divisors (see below), whose sum is σ = 129254400. Its totient is φ = 14793408.

The previous prime is 47980753. The next prime is 47980787. The reversal of 47980776 is 67708974.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18385 + ... + 20831.

It is an arithmetic number, because the mean of its divisors is an integer number (2019600).

Almost surely, 2^47980776 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 47980776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64627200).

47980776 is an abundant number, since it is smaller than the sum of its proper divisors (81273624).

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

47980776 is a wasteful number, since it uses less digits than its factorization.

47980776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 47980776 is about 6926.8157186401. The cubic root of 47980776 is about 363.3755949681.

The spelling of 47980776 in words is "forty-seven million, nine hundred eighty thousand, seven hundred seventy-six".