85415958000 has 240 divisors, whose sum is σ = 309380469216. Its totient is φ = 22777459200.

The previous prime is 85415957981. The next prime is 85415958007. The reversal of 85415958000 is 85951458.

It is a happy number.

85415958000 is a `hidden beast` number, since 8 + 54 + 1 + 595 + 8 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85415958007) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 398124 + ... + 573876.

Almost surely, 2^85415958000 is an apocalyptic number.

85415958000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85415958000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154690234608).

85415958000 is an abundant number, since it is smaller than the sum of its proper divisors (223964511216).

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

85415958000 is a wasteful number, since it uses less digits than its factorization.

85415958000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175791 (or 175763 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 85415958000 in words is "eighty-five billion, four hundred fifteen million, nine hundred fifty-eight thousand".