86946487 has 2 divisors, whose sum is σ = 86946488. Its totient is φ = 86946486.

The previous prime is 86946481. The next prime is 86946493. The reversal of 86946487 is 78464968.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (86946481) and next prime (86946493).

It is a cyclic number.

It is not a de Polignac number, because 86946487 - 2³ = 86946479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86946481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43473243 + 43473244.

It is an arithmetic number, because the mean of its divisors is an integer number (43473244).

Almost surely, 2^86946487 is an apocalyptic number.

86946487 is a deficient number, since it is larger than the sum of its proper divisors (1).

86946487 is an equidigital number, since it uses as much as digits as its factorization.

86946487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 52.

The square root of 86946487 is about 9324.5100139364. The cubic root of 86946487 is about 443.0138934779.

The spelling of 86946487 in words is "eighty-six million, nine hundred forty-six thousand, four hundred eighty-seven".