47761688 has 32 divisors (see below), whose sum is σ = 97418160. Its totient is φ = 21820800.

The previous prime is 47761663. The next prime is 47761699. The reversal of 47761688 is 88616774.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8231 + ... + 12777.

Almost surely, 2^47761688 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 47761688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48709080).

47761688 is an abundant number, since it is smaller than the sum of its proper divisors (49656472).

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

47761688 is a wasteful number, since it uses less digits than its factorization.

47761688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667 (or 4663 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 47761688 is about 6910.9831427952. The cubic root of 47761688 is about 362.8216737249.

The spelling of 47761688 in words is "forty-seven million, seven hundred sixty-one thousand, six hundred eighty-eight".