87894167 has 2 divisors, whose sum is σ = 87894168. Its totient is φ = 87894166.

The previous prime is 87894137. The next prime is 87894179. The reversal of 87894167 is 76149878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87894167 - 2¹⁸ = 87632023 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87894127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43947083 + 43947084.

It is an arithmetic number, because the mean of its divisors is an integer number (43947084).

Almost surely, 2^87894167 is an apocalyptic number.

87894167 is a deficient number, since it is larger than the sum of its proper divisors (1).

87894167 is an equidigital number, since it uses as much as digits as its factorization.

87894167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 50.

The square root of 87894167 is about 9375.1889047635. The cubic root of 87894167 is about 444.6176356109.

The spelling of 87894167 in words is "eighty-seven million, eight hundred ninety-four thousand, one hundred sixty-seven".