85454173368 has 128 divisors (see below), whose sum is σ = 253962912000. Its totient is φ = 26543064960.

The previous prime is 85454173319. The next prime is 85454173373. The reversal of 85454173368 is 86337145458.

85454173368 is a `hidden beast` number, since 8 + 5 + 4 + 541 + 7 + 33 + 68 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79671 + ... + 421017.

It is an arithmetic number, because the mean of its divisors is an integer number (1984085250).

Almost surely, 2^85454173368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85454173368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126981456000).

85454173368 is an abundant number, since it is smaller than the sum of its proper divisors (168508738632).

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

85454173368 is a wasteful number, since it uses less digits than its factorization.

85454173368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341442 (or 341432 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 85454173368 in words is "eighty-five billion, four hundred fifty-four million, one hundred seventy-three thousand, three hundred sixty-eight".