86241551 has 8 divisors (see below), whose sum is σ = 99033600. Its totient is φ = 74274840.

The previous prime is 86241541. The next prime is 86241553. The reversal of 86241551 is 15514268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86241551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86241553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206111 + ... + 206528.

It is an arithmetic number, because the mean of its divisors is an integer number (12379200).

Almost surely, 2^86241551 is an apocalyptic number.

86241551 is a deficient number, since it is larger than the sum of its proper divisors (12792049).

86241551 is a wasteful number, since it uses less digits than its factorization.

86241551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412669.

The product of its digits is 9600, while the sum is 32.

The square root of 86241551 is about 9286.6329204938. The cubic root of 86241551 is about 441.8133685841.

The spelling of 86241551 in words is "eighty-six million, two hundred forty-one thousand, five hundred fifty-one".