85554378 has 96 divisors (see below), whose sum is σ = 240240000. Its totient is φ = 21368448.

The previous prime is 85554347. The next prime is 85554409. The reversal of 85554378 is 87345558.

It is an interprime number because it is at equal distance from previous prime (85554347) and next prime (85554409).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29748 + ... + 32496.

It is an arithmetic number, because the mean of its divisors is an integer number (2502500).

Almost surely, 2^85554378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85554378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120120000).

85554378 is an abundant number, since it is smaller than the sum of its proper divisors (154685622).

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

85554378 is a wasteful number, since it uses less digits than its factorization.

85554378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796 (or 2793 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 85554378 is about 9249.5609625538. The cubic root of 85554378 is about 440.6367811547.

The spelling of 85554378 in words is "eighty-five million, five hundred fifty-four thousand, three hundred seventy-eight".