87898667 has 2 divisors, whose sum is σ = 87898668. Its totient is φ = 87898666.

The previous prime is 87898661. The next prime is 87898669. The reversal of 87898667 is 76689878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87898667 - 2⁴ = 87898651 is a prime.

Together with 87898669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87898661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43949333 + 43949334.

It is an arithmetic number, because the mean of its divisors is an integer number (43949334).

Almost surely, 2^87898667 is an apocalyptic number.

87898667 is a deficient number, since it is larger than the sum of its proper divisors (1).

87898667 is an equidigital number, since it uses as much as digits as its factorization.

87898667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 59.

The square root of 87898667 is about 9375.4288968559. The cubic root of 87898667 is about 444.6252233166.

The spelling of 87898667 in words is "eighty-seven million, eight hundred ninety-eight thousand, six hundred sixty-seven".