85529492558 has 4 divisors (see below), whose sum is σ = 128294238840. Its totient is φ = 42764746278.

The previous prime is 85529492537. The next prime is 85529492561.

85529492558 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 85529492558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21382373138 + ... + 21382373141.

It is an arithmetic number, because the mean of its divisors is an integer number (32073559710).

Almost surely, 2^85529492558 is an apocalyptic number.

85529492558 is a deficient number, since it is larger than the sum of its proper divisors (42764746282).

85529492558 is a wasteful number, since it uses less digits than its factorization.

85529492558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42764746281.

The product of its digits is 51840000, while the sum is 62.

The spelling of 85529492558 in words is "eighty-five billion, five hundred twenty-nine million, four hundred ninety-two thousand, five hundred fifty-eight".