84486395585491 has 8 divisors (see below), whose sum is σ = 86457366336704. Its totient is φ = 82515705327720.

The previous prime is 84486395585453. The next prime is 84486395585533. The reversal of 84486395585491 is 19458559368448.

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 84486395585491 - 2³⁹ = 83936639771603 is a prime.

It is a super-2 number, since 2×84486395585491² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84486395525491) 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, 69513861 + ... + 70718806.

It is an arithmetic number, because the mean of its divisors is an integer number (10807170792088).

Almost surely, 2^{84486395585491} is an apocalyptic number.

84486395585491 is a deficient number, since it is larger than the sum of its proper divisors (1970970751213).

84486395585491 is a wasteful number, since it uses less digits than its factorization.

84486395585491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140246721.

The product of its digits is 5971968000, while the sum is 79.

The spelling of 84486395585491 in words is "eighty-four trillion, four hundred eighty-six billion, three hundred ninety-five million, five hundred eighty-five thousand, four hundred ninety-one".