85351877604 has 120 divisors (see below), whose sum is σ = 255555810048. Its totient is φ = 24333281280.

The previous prime is 85351877599. The next prime is 85351877621. The reversal of 85351877604 is 40677815358.

It is a happy number.

85351877604 is a `hidden beast` number, since 8 + 53 + 518 + 7 + 76 + 0 + 4 = 666.

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

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1009444 + ... + 1090724.

Almost surely, 2^85351877604 is an apocalyptic number.

85351877604 is a gapful number since it is divisible by the number (84) 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 85351877604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127777905024).

85351877604 is an abundant number, since it is smaller than the sum of its proper divisors (170203932444).

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

85351877604 is a wasteful number, since it uses less digits than its factorization.

85351877604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81767 (or 81756 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 85351877604 in words is "eighty-five billion, three hundred fifty-one million, eight hundred seventy-seven thousand, six hundred four".