85418278380 has 96 divisors (see below), whose sum is σ = 265905024000. Its totient is φ = 22764556224.

The previous prime is 85418278367. The next prime is 85418278381. The reversal of 85418278380 is 8387281458.

85418278380 is a `hidden beast` number, since 85 + 4 + 182 + 7 + 8 + 380 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (85418278381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870909 + ... + 964011.

It is an arithmetic number, because the mean of its divisors is an integer number (2769844000).

Almost surely, 2^85418278380 is an apocalyptic number.

It is an amenable number.

85418278380 is an abundant number, since it is smaller than the sum of its proper divisors (180486745620).

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

85418278380 is a wasteful number, since it uses less digits than its factorization.

85418278380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94820 (or 94812 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 85418278380 in words is "eighty-five billion, four hundred eighteen million, two hundred seventy-eight thousand, three hundred eighty".