86525365997 has 8 divisors (see below), whose sum is σ = 99202065216. Its totient is φ = 73927649952.

The previous prime is 86525365967. The next prime is 86525366023. The reversal of 86525365997 is 79956352568.

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

It is a cyclic number.

It is not a de Polignac number, because 86525365997 - 2¹⁰ = 86525364973 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 (86525365967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19743443 + ... + 19747824.

It is an arithmetic number, because the mean of its divisors is an integer number (12400258152).

Almost surely, 2^86525365997 is an apocalyptic number.

It is an amenable number.

86525365997 is a deficient number, since it is larger than the sum of its proper divisors (12676699219).

86525365997 is a wasteful number, since it uses less digits than its factorization.

86525365997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39491587.

The product of its digits is 122472000, while the sum is 65.

The spelling of 86525365997 in words is "eighty-six billion, five hundred twenty-five million, three hundred sixty-five thousand, nine hundred ninety-seven".