47769888 has 24 divisors (see below), whose sum is σ = 125396208. Its totient is φ = 15923264.

The previous prime is 47769877. The next prime is 47769889. The reversal of 47769888 is 88896774.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (47769889) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 248706 + ... + 248897.

It is an arithmetic number, because the mean of its divisors is an integer number (5224842).

Almost surely, 2^47769888 is an apocalyptic number.

47769888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47769888 is an abundant number, since it is smaller than the sum of its proper divisors (77626320).

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

47769888 is a wasteful number, since it uses less digits than its factorization.

47769888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497616 (or 497608 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 57.

The square root of 47769888 is about 6911.5763759073. The cubic root of 47769888 is about 362.8424363041.

The spelling of 47769888 in words is "forty-seven million, seven hundred sixty-nine thousand, eight hundred eighty-eight".