47481377 has 2 divisors, whose sum is σ = 47481378. Its totient is φ = 47481376.

The previous prime is 47481373. The next prime is 47481409. The reversal of 47481377 is 77318474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39551521 + 7929856 = 6289^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 47481377 - 2² = 47481373 is a prime.

It is a super-2 number, since 2×47481377² = 4508962323632258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47481373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23740688 + 23740689.

It is an arithmetic number, because the mean of its divisors is an integer number (23740689).

Almost surely, 2^47481377 is an apocalyptic number.

It is an amenable number.

47481377 is a deficient number, since it is larger than the sum of its proper divisors (1).

47481377 is an equidigital number, since it uses as much as digits as its factorization.

47481377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 41.

The square root of 47481377 is about 6890.6731891739. The cubic root of 47481377 is about 362.1104864055.

The spelling of 47481377 in words is "forty-seven million, four hundred eighty-one thousand, three hundred seventy-seven".