86748619 has 2 divisors, whose sum is σ = 86748620. Its totient is φ = 86748618.

The previous prime is 86748589. The next prime is 86748653. The reversal of 86748619 is 91684768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86748619 - 2⁹ = 86748107 is a prime.

It is a super-2 number, since 2×86748619² = 15050645796814322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86748659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43374309 + 43374310.

It is an arithmetic number, because the mean of its divisors is an integer number (43374310).

Almost surely, 2^86748619 is an apocalyptic number.

86748619 is a deficient number, since it is larger than the sum of its proper divisors (1).

86748619 is an equidigital number, since it uses as much as digits as its factorization.

86748619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The square root of 86748619 is about 9313.8938688392. The cubic root of 86748619 is about 442.6775760631.

The spelling of 86748619 in words is "eighty-six million, seven hundred forty-eight thousand, six hundred nineteen".