86454147 has 20 divisors (see below), whose sum is σ = 125001640. Its totient is φ = 53149824.

The previous prime is 86454143. The next prime is 86454169. The reversal of 86454147 is 74145468.

It is not a de Polignac number, because 86454147 - 2² = 86454143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86454143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85179 + ... + 86187.

It is an arithmetic number, because the mean of its divisors is an integer number (6250082).

Almost surely, 2^86454147 is an apocalyptic number.

86454147 is a deficient number, since it is larger than the sum of its proper divisors (38547493).

86454147 is an equidigital number, since it uses as much as digits as its factorization.

86454147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1025 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 86454147 is about 9298.0722195517. The cubic root of 86454147 is about 442.1761120576.

The spelling of 86454147 in words is "eighty-six million, four hundred fifty-four thousand, one hundred forty-seven".