47000377 has 2 divisors, whose sum is σ = 47000378. Its totient is φ = 47000376.

The previous prime is 47000363. The next prime is 47000381. The reversal of 47000377 is 77300074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43507216 + 3493161 = 6596^2 + 1869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47000377 is a prime.

It is equal to p_2831716 and since 47000377 and 2831716 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47000077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23500188 + 23500189.

It is an arithmetic number, because the mean of its divisors is an integer number (23500189).

Almost surely, 2^47000377 is an apocalyptic number.

It is an amenable number.

47000377 is a deficient number, since it is larger than the sum of its proper divisors (1).

47000377 is an equidigital number, since it uses as much as digits as its factorization.

47000377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 47000377 is about 6855.6820958968. The cubic root of 47000377 is about 360.8835729244.

The spelling of 47000377 in words is "forty-seven million, three hundred seventy-seven", and thus it is an aban number.