86448577 has 2 divisors, whose sum is σ = 86448578. Its totient is φ = 86448576.

The previous prime is 86448569. The next prime is 86448589. The reversal of 86448577 is 77584468.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82464561 + 3984016 = 9081^2 + 1996^2 .

It is a cyclic number.

It is not a de Polignac number, because 86448577 - 2³ = 86448569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86448577.

It is not a weakly prime, because it can be changed into another prime (86448547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43224288 + 43224289.

It is an arithmetic number, because the mean of its divisors is an integer number (43224289).

Almost surely, 2^86448577 is an apocalyptic number.

It is an amenable number.

86448577 is a deficient number, since it is larger than the sum of its proper divisors (1).

86448577 is an equidigital number, since it uses as much as digits as its factorization.

86448577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 49.

The square root of 86448577 is about 9297.7726902737. The cubic root of 86448577 is about 442.1666157950.

It can be divided in two parts, 86448 and 577, that added together give a square (87025 = 295²).

The spelling of 86448577 in words is "eighty-six million, four hundred forty-eight thousand, five hundred seventy-seven".