86769461 has 2 divisors, whose sum is σ = 86769462. Its totient is φ = 86769460.

The previous prime is 86769457. The next prime is 86769467. The reversal of 86769461 is 16496768.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69388900 + 17380561 = 8330^2 + 4169^2 .

It is a cyclic number.

It is not a de Polignac number, because 86769461 - 2² = 86769457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86769467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43384730 + 43384731.

It is an arithmetic number, because the mean of its divisors is an integer number (43384731).

Almost surely, 2^86769461 is an apocalyptic number.

It is an amenable number.

86769461 is a deficient number, since it is larger than the sum of its proper divisors (1).

86769461 is an equidigital number, since it uses as much as digits as its factorization.

86769461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 86769461 is about 9315.0126677316. The cubic root of 86769461 is about 442.7130254160.

The spelling of 86769461 in words is "eighty-six million, seven hundred sixty-nine thousand, four hundred sixty-one".