87388867 has 2 divisors, whose sum is σ = 87388868. Its totient is φ = 87388866.

The previous prime is 87388843. The next prime is 87388877. The reversal of 87388867 is 76888378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87388867 - 2⁷ = 87388739 is a prime.

It is not a weakly prime, because it can be changed into another prime (87388817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43694433 + 43694434.

It is an arithmetic number, because the mean of its divisors is an integer number (43694434).

Almost surely, 2^87388867 is an apocalyptic number.

87388867 is a deficient number, since it is larger than the sum of its proper divisors (1).

87388867 is an equidigital number, since it uses as much as digits as its factorization.

87388867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 55.

The square root of 87388867 is about 9348.2012708328. The cubic root of 87388867 is about 443.7639680322.

The spelling of 87388867 in words is "eighty-seven million, three hundred eighty-eight thousand, eight hundred sixty-seven".