86461751 has 2 divisors, whose sum is σ = 86461752. Its totient is φ = 86461750.

The previous prime is 86461729. The next prime is 86461801. The reversal of 86461751 is 15716468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86461751 - 2²² = 82267447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86461721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43230875 + 43230876.

It is an arithmetic number, because the mean of its divisors is an integer number (43230876).

Almost surely, 2^86461751 is an apocalyptic number.

86461751 is a deficient number, since it is larger than the sum of its proper divisors (1).

86461751 is an equidigital number, since it uses as much as digits as its factorization.

86461751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 86461751 is about 9298.4811125259. The cubic root of 86461751 is about 442.1890754171.

The spelling of 86461751 in words is "eighty-six million, four hundred sixty-one thousand, seven hundred fifty-one".