47277408 has 96 divisors (see below), whose sum is σ = 133902720. Its totient is φ = 14551040.

The previous prime is 47277389. The next prime is 47277421. The reversal of 47277408 is 80477274.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 96043 + ... + 96533.

It is an arithmetic number, because the mean of its divisors is an integer number (1394820).

Almost surely, 2^47277408 is an apocalyptic number.

47277408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47277408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66951360).

47277408 is an abundant number, since it is smaller than the sum of its proper divisors (86625312).

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

47277408 is a wasteful number, since it uses less digits than its factorization.

47277408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 47277408 is about 6875.8568920535. The cubic root of 47277408 is about 361.5912278917.

The spelling of 47277408 in words is "forty-seven million, two hundred seventy-seven thousand, four hundred eight".