86574601469 has 4 divisors (see below), whose sum is σ = 86578835100. Its totient is φ = 86570367840.

The previous prime is 86574601447. The next prime is 86574601471. The reversal of 86574601469 is 96410647568.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77133952900 + 9440648569 = 277730^2 + 97163^2 .

It is a cyclic number.

It is not a de Polignac number, because 86574601469 - 2⁸ = 86574601213 is a prime.

It is a super-2 number, since 2×86574601469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86574601769) 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, 2085992 + ... + 2127089.

It is an arithmetic number, because the mean of its divisors is an integer number (21644708775).

Almost surely, 2^86574601469 is an apocalyptic number.

It is an amenable number.

86574601469 is a deficient number, since it is larger than the sum of its proper divisors (4233631).

86574601469 is a wasteful number, since it uses less digits than its factorization.

86574601469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233630.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 86574601469 in words is "eighty-six billion, five hundred seventy-four million, six hundred one thousand, four hundred sixty-nine".