87375667 has 2 divisors, whose sum is σ = 87375668. Its totient is φ = 87375666.

The previous prime is 87375649. The next prime is 87375703. The reversal of 87375667 is 76657378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87375667 - 2¹⁹ = 86851379 is a prime.

It is a Chen prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 87375667.

It is not a weakly prime, because it can be changed into another prime (87375467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43687833 + 43687834.

It is an arithmetic number, because the mean of its divisors is an integer number (43687834).

Almost surely, 2^87375667 is an apocalyptic number.

87375667 is a deficient number, since it is larger than the sum of its proper divisors (1).

87375667 is an equidigital number, since it uses as much as digits as its factorization.

87375667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 49.

The square root of 87375667 is about 9347.4952259950. The cubic root of 87375667 is about 443.7416235409.

The spelling of 87375667 in words is "eighty-seven million, three hundred seventy-five thousand, six hundred sixty-seven".