85413507188 has 6 divisors (see below), whose sum is σ = 149473637586. Its totient is φ = 42706753592.

The previous prime is 85413507163. The next prime is 85413507197. The reversal of 85413507188 is 88170531458.

It can be written as a sum of positive squares in only one way, i.e., 77173951204 + 8239555984 = 277802^2 + 90772^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10676688395 + ... + 10676688402.

It is an arithmetic number, because the mean of its divisors is an integer number (24912272931).

Almost surely, 2^85413507188 is an apocalyptic number.

It is an amenable number.

85413507188 is a deficient number, since it is larger than the sum of its proper divisors (64060130398).

85413507188 is a wasteful number, since it uses less digits than its factorization.

85413507188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353376801 (or 21353376799 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 85413507188 in words is "eighty-five billion, four hundred thirteen million, five hundred seven thousand, one hundred eighty-eight".