47780336 has 20 divisors (see below), whose sum is σ = 98020512. Its totient is φ = 22484736.

The previous prime is 47780323. The next prime is 47780347. The reversal of 47780336 is 63308774.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47780336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87560 + ... + 88103.

Almost surely, 2^47780336 is an apocalyptic number.

It is an amenable number.

47780336 is an abundant number, since it is smaller than the sum of its proper divisors (50240176).

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

47780336 is a wasteful number, since it uses less digits than its factorization.

47780336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175688 (or 175682 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 47780336 is about 6912.3321679445. The cubic root of 47780336 is about 362.8688874262.

The spelling of 47780336 in words is "forty-seven million, seven hundred eighty thousand, three hundred thirty-six".