47928577 has 8 divisors (see below), whose sum is σ = 48454560. Its totient is φ = 47405280.

The previous prime is 47928571. The next prime is 47928581. The reversal of 47928577 is 77582974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47928577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47928577.

It is not an unprimeable number, because it can be changed into a prime (47928571) 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, 74218 + ... + 74860.

It is an arithmetic number, because the mean of its divisors is an integer number (6056820).

Almost surely, 2^47928577 is an apocalyptic number.

It is an amenable number.

47928577 is a deficient number, since it is larger than the sum of its proper divisors (525983).

47928577 is a wasteful number, since it uses less digits than its factorization.

47928577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 987840, while the sum is 49.

The square root of 47928577 is about 6923.0468003618. The cubic root of 47928577 is about 363.2437732478.

The spelling of 47928577 in words is "forty-seven million, nine hundred twenty-eight thousand, five hundred seventy-seven".