86986673 has 2 divisors, whose sum is σ = 86986674. Its totient is φ = 86986672.

The previous prime is 86986657. The next prime is 86986699. The reversal of 86986673 is 37668968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57577744 + 29408929 = 7588^2 + 5423^2 .

It is a cyclic number.

It is not a de Polignac number, because 86986673 - 2⁴ = 86986657 is a prime.

It is not a weakly prime, because it can be changed into another prime (86986073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43493336 + 43493337.

It is an arithmetic number, because the mean of its divisors is an integer number (43493337).

Almost surely, 2^86986673 is an apocalyptic number.

It is an amenable number.

86986673 is a deficient number, since it is larger than the sum of its proper divisors (1).

86986673 is an equidigital number, since it uses as much as digits as its factorization.

86986673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The square root of 86986673 is about 9326.6646235404. The cubic root of 86986673 is about 443.0821355076.

The spelling of 86986673 in words is "eighty-six million, nine hundred eighty-six thousand, six hundred seventy-three".