47862578 has 4 divisors (see below), whose sum is σ = 71793870. Its totient is φ = 23931288.

The previous prime is 47862533. The next prime is 47862601. The reversal of 47862578 is 87526874.

47862578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87526874 = 2 ⋅43763437.

It can be written as a sum of positive squares in only one way, i.e., 47844889 + 17689 = 6917^2 + 133^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11965643 + ... + 11965646.

Almost surely, 2^47862578 is an apocalyptic number.

47862578 is a deficient number, since it is larger than the sum of its proper divisors (23931292).

47862578 is a wasteful number, since it uses less digits than its factorization.

47862578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23931291.

The product of its digits is 752640, while the sum is 47.

The square root of 47862578 is about 6918.2785431059. The cubic root of 47862578 is about 363.0769643564.

The spelling of 47862578 in words is "forty-seven million, eight hundred sixty-two thousand, five hundred seventy-eight".