47088378 has 20 divisors (see below), whose sum is σ = 105513210. Its totient is φ = 15696072.

The previous prime is 47088361. The next prime is 47088389. The reversal of 47088378 is 87388074.

It can be written as a sum of positive squares in only one way, i.e., 26594649 + 20493729 = 5157^2 + 4527^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 145173 + ... + 145496.

Almost surely, 2^47088378 is an apocalyptic number.

47088378 is an abundant number, since it is smaller than the sum of its proper divisors (58424832).

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

47088378 is a wasteful number, since it uses less digits than its factorization.

47088378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290683 (or 290674 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 47088378 is about 6862.0972012935. The cubic root of 47088378 is about 361.1086655526.

The spelling of 47088378 in words is "forty-seven million, eighty-eight thousand, three hundred seventy-eight".