87676427 has 2 divisors, whose sum is σ = 87676428. Its totient is φ = 87676426.

The previous prime is 87676417. The next prime is 87676453. The reversal of 87676427 is 72467678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87676427 - 2⁴ = 87676411 is a prime.

It is not a weakly prime, because it can be changed into another prime (87676417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43838213 + 43838214.

It is an arithmetic number, because the mean of its divisors is an integer number (43838214).

Almost surely, 2^87676427 is an apocalyptic number.

87676427 is a deficient number, since it is larger than the sum of its proper divisors (1).

87676427 is an equidigital number, since it uses as much as digits as its factorization.

87676427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 47.

The square root of 87676427 is about 9363.5691378875. The cubic root of 87676427 is about 444.2501819609.

It can be divided in two parts, 8 and 7676427, that multiplied together give a palindrome (61411416).

The spelling of 87676427 in words is "eighty-seven million, six hundred seventy-six thousand, four hundred twenty-seven".