87692461 has 2 divisors, whose sum is σ = 87692462. Its totient is φ = 87692460.

The previous prime is 87692431. The next prime is 87692497. The reversal of 87692461 is 16429678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 2499561 = 9230^2 + 1581^2 .

It is a cyclic number.

It is not a de Polignac number, because 87692461 - 2⁷ = 87692333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87692411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43846230 + 43846231.

It is an arithmetic number, because the mean of its divisors is an integer number (43846231).

Almost surely, 2^87692461 is an apocalyptic number.

It is an amenable number.

87692461 is a deficient number, since it is larger than the sum of its proper divisors (1).

87692461 is an equidigital number, since it uses as much as digits as its factorization.

87692461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 87692461 is about 9364.4252893597. The cubic root of 87692461 is about 444.2772613538.

The spelling of 87692461 in words is "eighty-seven million, six hundred ninety-two thousand, four hundred sixty-one".