85326611916 has 576 divisors, whose sum is σ = 273883889664. Its totient is φ = 20075489280.

The previous prime is 85326611861. The next prime is 85326611971. The reversal of 85326611916 is 61911662358.

It is an interprime number because it is at equal distance from previous prime (85326611861) and next prime (85326611971).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1815459805 + ... + 1815459851.

It is an arithmetic number, because the mean of its divisors is an integer number (475492864).

Almost surely, 2^85326611916 is an apocalyptic number.

85326611916 is a gapful number since it is divisible by the number (86) 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 85326611916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136941944832).

85326611916 is an abundant number, since it is smaller than the sum of its proper divisors (188557277748).

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

85326611916 is a wasteful number, since it uses less digits than its factorization.

85326611916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 179 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The spelling of 85326611916 in words is "eighty-five billion, three hundred twenty-six million, six hundred eleven thousand, nine hundred sixteen".