97887319 has 2 divisors, whose sum is σ = 97887320. Its totient is φ = 97887318.

The previous prime is 97887301. The next prime is 97887329. The reversal of 97887319 is 91378879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97887319 - 2¹⁵ = 97854551 is a prime.

It is a super-2 number, since 2×97887319² = 19163854442015522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97887329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48943659 + 48943660.

It is an arithmetic number, because the mean of its divisors is an integer number (48943660).

Almost surely, 2^97887319 is an apocalyptic number.

97887319 is a deficient number, since it is larger than the sum of its proper divisors (1).

97887319 is an equidigital number, since it uses as much as digits as its factorization.

97887319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 52.

The square root of 97887319 is about 9893.8020497683. The cubic root of 97887319 is about 460.8668578417.

The spelling of 97887319 in words is "ninety-seven million, eight hundred eighty-seven thousand, three hundred nineteen".