47154377 has 4 divisors (see below), whose sum is σ = 48780420. Its totient is φ = 45528336.

The previous prime is 47154361. The next prime is 47154383. The reversal of 47154377 is 77345174.

47154377 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 9834496 + 37319881 = 3136^2 + 6109^2 .

It is a cyclic number.

It is not a de Polignac number, because 47154377 - 2⁴ = 47154361 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 47154377.

It is not an unprimeable number, because it can be changed into a prime (47154977) 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, 812978 + ... + 813035.

It is an arithmetic number, because the mean of its divisors is an integer number (12195105).

Almost surely, 2^47154377 is an apocalyptic number.

It is an amenable number.

47154377 is a deficient number, since it is larger than the sum of its proper divisors (1626043).

47154377 is a wasteful number, since it uses less digits than its factorization.

47154377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626042.

The product of its digits is 82320, while the sum is 38.

The square root of 47154377 is about 6866.9044699923. The cubic root of 47154377 is about 361.2772965808.

The spelling of 47154377 in words is "forty-seven million, one hundred fifty-four thousand, three hundred seventy-seven".