87466979 has 2 divisors, whose sum is σ = 87466980. Its totient is φ = 87466978.

The previous prime is 87466963. The next prime is 87467011. The reversal of 87466979 is 97966478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87466979 - 2⁴ = 87466963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (87466919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43733489 + 43733490.

It is an arithmetic number, because the mean of its divisors is an integer number (43733490).

Almost surely, 2^87466979 is an apocalyptic number.

87466979 is a deficient number, since it is larger than the sum of its proper divisors (1).

87466979 is an equidigital number, since it uses as much as digits as its factorization.

87466979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 56.

The square root of 87466979 is about 9352.3782536850. The cubic root of 87466979 is about 443.8961472198.

The spelling of 87466979 in words is "eighty-seven million, four hundred sixty-six thousand, nine hundred seventy-nine".