86752447 has 2 divisors, whose sum is σ = 86752448. Its totient is φ = 86752446.

The previous prime is 86752417. The next prime is 86752451. The reversal of 86752447 is 74425768.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86752447 is a prime.

It is a super-3 number, since 3×86752447³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86752417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43376223 + 43376224.

It is an arithmetic number, because the mean of its divisors is an integer number (43376224).

Almost surely, 2^86752447 is an apocalyptic number.

86752447 is a deficient number, since it is larger than the sum of its proper divisors (1).

86752447 is an equidigital number, since it uses as much as digits as its factorization.

86752447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 43.

The square root of 86752447 is about 9314.0993660149. The cubic root of 86752447 is about 442.6840873861.

The spelling of 86752447 in words is "eighty-six million, seven hundred fifty-two thousand, four hundred forty-seven".