47680278 has 16 divisors (see below), whose sum is σ = 97390080. Its totient is φ = 15555176.

The previous prime is 47680277. The next prime is 47680289. The reversal of 47680278 is 87208674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47680277) 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, 84258 + ... + 84821.

It is an arithmetic number, because the mean of its divisors is an integer number (6086880).

Almost surely, 2^47680278 is an apocalyptic number.

47680278 is an abundant number, since it is smaller than the sum of its proper divisors (49709802).

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

47680278 is a wasteful number, since it uses less digits than its factorization.

47680278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169131.

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

The square root of 47680278 is about 6905.0907307580. The cubic root of 47680278 is about 362.6154127952.

The spelling of 47680278 in words is "forty-seven million, six hundred eighty thousand, two hundred seventy-eight".