47415677 has 2 divisors, whose sum is σ = 47415678. Its totient is φ = 47415676.

The previous prime is 47415671. The next prime is 47415679. The reversal of 47415677 is 77651474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45508516 + 1907161 = 6746^2 + 1381^2 .

It is a cyclic number.

It is not a de Polignac number, because 47415677 - 2⁸ = 47415421 is a prime.

Together with 47415679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47415671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23707838 + 23707839.

It is an arithmetic number, because the mean of its divisors is an integer number (23707839).

Almost surely, 2^47415677 is an apocalyptic number.

It is an amenable number.

47415677 is a deficient number, since it is larger than the sum of its proper divisors (1).

47415677 is an equidigital number, since it uses as much as digits as its factorization.

47415677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164640, while the sum is 41.

The square root of 47415677 is about 6885.9042252997. The cubic root of 47415677 is about 361.9433918381.

The spelling of 47415677 in words is "forty-seven million, four hundred fifteen thousand, six hundred seventy-seven".