84696931585 has 16 divisors (see below), whose sum is σ = 116851343616. Its totient is φ = 57730120128.

The previous prime is 84696931537. The next prime is 84696931607. The reversal of 84696931585 is 58513969648.

It is a cyclic number.

It is not a de Polignac number, because 84696931585 - 2¹⁵ = 84696898817 is a prime.

It is a super-2 number, since 2×84696931585² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7239402 + ... + 7251091.

It is an arithmetic number, because the mean of its divisors is an integer number (7303208976).

Almost surely, 2^84696931585 is an apocalyptic number.

It is an amenable number.

84696931585 is a deficient number, since it is larger than the sum of its proper divisors (32154412031).

84696931585 is a wasteful number, since it uses less digits than its factorization.

84696931585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490672.

The product of its digits is 55987200, while the sum is 64.

The spelling of 84696931585 in words is "eighty-four billion, six hundred ninety-six million, nine hundred thirty-one thousand, five hundred eighty-five".