86893437287 has 2 divisors, whose sum is σ = 86893437288. Its totient is φ = 86893437286.

The previous prime is 86893437283. The next prime is 86893437299. The reversal of 86893437287 is 78273439868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86893437287 - 2² = 86893437283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86893437283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43446718643 + 43446718644.

It is an arithmetic number, because the mean of its divisors is an integer number (43446718644).

Almost surely, 2^86893437287 is an apocalyptic number.

86893437287 is a deficient number, since it is larger than the sum of its proper divisors (1).

86893437287 is an equidigital number, since it uses as much as digits as its factorization.

86893437287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 65.

The spelling of 86893437287 in words is "eighty-six billion, eight hundred ninety-three million, four hundred thirty-seven thousand, two hundred eighty-seven".