85595779654 has 160 divisors (see below), whose sum is σ = 174244608000. Its totient is φ = 31164376320.

The previous prime is 85595779597. The next prime is 85595779669. The reversal of 85595779654 is 45697759558.

It is a super-2 number, since 2×85595779654² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 178696587 + ... + 178697065.

It is an arithmetic number, because the mean of its divisors is an integer number (1089028800).

Almost surely, 2^85595779654 is an apocalyptic number.

85595779654 is an abundant number, since it is smaller than the sum of its proper divisors (88648828346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85595779654 is a wasteful number, since it uses less digits than its factorization.

85595779654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 715 counting only the distinct ones).

The product of its digits is 476280000, while the sum is 70.

The spelling of 85595779654 in words is "eighty-five billion, five hundred ninety-five million, seven hundred seventy-nine thousand, six hundred fifty-four".