47628577 has 4 divisors (see below), whose sum is σ = 50430276. Its totient is φ = 44826880.

The previous prime is 47628569. The next prime is 47628599. The reversal of 47628577 is 77582674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34152336 + 13476241 = 5844^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 47628577 - 2³ = 47628569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47628277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400824 + ... + 1400857.

It is an arithmetic number, because the mean of its divisors is an integer number (12607569).

Almost surely, 2^47628577 is an apocalyptic number.

It is an amenable number.

47628577 is a deficient number, since it is larger than the sum of its proper divisors (2801699).

47628577 is a wasteful number, since it uses less digits than its factorization.

47628577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801698.

The product of its digits is 658560, while the sum is 46.

The square root of 47628577 is about 6901.3460281310. The cubic root of 47628577 is about 362.4843008659.

It can be divided in two parts, 47628 and 577, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 47628577 in words is "forty-seven million, six hundred twenty-eight thousand, five hundred seventy-seven".