86530751 has 4 divisors (see below), whose sum is σ = 89514600. Its totient is φ = 83546904.

The previous prime is 86530723. The next prime is 86530777. The reversal of 86530751 is 15703568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86530751 - 2¹⁴ = 86514367 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 (86530781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491881 + ... + 1491938.

It is an arithmetic number, because the mean of its divisors is an integer number (22378650).

Almost surely, 2^86530751 is an apocalyptic number.

86530751 is a deficient number, since it is larger than the sum of its proper divisors (2983849).

86530751 is a wasteful number, since it uses less digits than its factorization.

86530751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983848.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 86530751 is about 9302.1906559692. The cubic root of 86530751 is about 442.3066724397.

The spelling of 86530751 in words is "eighty-six million, five hundred thirty thousand, seven hundred fifty-one".