47974777 has 4 divisors (see below), whose sum is σ = 48069540. Its totient is φ = 47880016.

The previous prime is 47974741. The next prime is 47974781. The reversal of 47974777 is 77747974.

47974777 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.

It can be written as a sum of positive squares in 2 ways, for example, as 45481536 + 2493241 = 6744^2 + 1579^2 .

It is a cyclic number.

It is not a de Polignac number, because 47974777 - 2¹⁵ = 47942009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47974727) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 46618 + ... + 47635.

It is an arithmetic number, because the mean of its divisors is an integer number (12017385).

Almost surely, 2^47974777 is an apocalyptic number.

It is an amenable number.

47974777 is a deficient number, since it is larger than the sum of its proper divisors (94763).

47974777 is an equidigital number, since it uses as much as digits as its factorization.

47974777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94762.

The product of its digits is 2420208, while the sum is 52.

The square root of 47974777 is about 6926.3826778485. The cubic root of 47974777 is about 363.3604501453.

The spelling of 47974777 in words is "forty-seven million, nine hundred seventy-four thousand, seven hundred seventy-seven".