84737671 has 2 divisors, whose sum is σ = 84737672. Its totient is φ = 84737670.

The previous prime is 84737657. The next prime is 84737677. The reversal of 84737671 is 17673748.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84737671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84737677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42368835 + 42368836.

It is an arithmetic number, because the mean of its divisors is an integer number (42368836).

Almost surely, 2^84737671 is an apocalyptic number.

84737671 is a deficient number, since it is larger than the sum of its proper divisors (1).

84737671 is an equidigital number, since it uses as much as digits as its factorization.

84737671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 84737671 is about 9205.3066760429. The cubic root of 84737671 is about 439.2301811232.

The spelling of 84737671 in words is "eighty-four million, seven hundred thirty-seven thousand, six hundred seventy-one".