86980567 has 2 divisors, whose sum is σ = 86980568. Its totient is φ = 86980566.

The previous prime is 86980559. The next prime is 86980577. The reversal of 86980567 is 76508968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86980567 - 2³ = 86980559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86980567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86980547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43490283 + 43490284.

It is an arithmetic number, because the mean of its divisors is an integer number (43490284).

Almost surely, 2^86980567 is an apocalyptic number.

86980567 is a deficient number, since it is larger than the sum of its proper divisors (1).

86980567 is an equidigital number, since it uses as much as digits as its factorization.

86980567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 86980567 is about 9326.3372767663. The cubic root of 86980567 is about 443.0717679316.

The spelling of 86980567 in words is "eighty-six million, nine hundred eighty thousand, five hundred sixty-seven".