47278608 has 40 divisors (see below), whose sum is σ = 131533248. Its totient is φ = 14547072.

The previous prime is 47278603. The next prime is 47278661. The reversal of 47278608 is 80687274.

It is a self number, because there is not a number n which added to its sum of digits gives 47278608.

It is not an unprimeable number, because it can be changed into a prime (47278603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37260 + ... + 38507.

Almost surely, 2^47278608 is an apocalyptic number.

47278608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47278608 is an abundant number, since it is smaller than the sum of its proper divisors (84254640).

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

47278608 is a wasteful number, since it uses less digits than its factorization.

47278608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75791 (or 75785 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 47278608 is about 6875.9441533509. The cubic root of 47278608 is about 361.5942871810.

The spelling of 47278608 in words is "forty-seven million, two hundred seventy-eight thousand, six hundred eight".