987593479 has 2 divisors, whose sum is σ = 987593480. Its totient is φ = 987593478.

The previous prime is 987593449. The next prime is 987593483. The reversal of 987593479 is 974395789.

It is a strong prime.

It is an emirp because it is prime and its reverse (974395789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 987593479 - 2⁵ = 987593447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987593429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493796739 + 493796740.

It is an arithmetic number, because the mean of its divisors is an integer number (493796740).

Almost surely, 2^987593479 is an apocalyptic number.

987593479 is a deficient number, since it is larger than the sum of its proper divisors (1).

987593479 is an equidigital number, since it uses as much as digits as its factorization.

987593479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 61.

The square root of 987593479 is about 31426.0000477312. Note that the first 4 decimals coincide. The cubic root of 987593479 is about 995.8472717193.

The spelling of 987593479 in words is "nine hundred eighty-seven million, five hundred ninety-three thousand, four hundred seventy-nine".