85077894 has 64 divisors (see below), whose sum is σ = 198070272. Its totient is φ = 24076800.

The previous prime is 85077847. The next prime is 85077901. The reversal of 85077894 is 49877058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214104 + ... + 214500.

It is an arithmetic number, because the mean of its divisors is an integer number (3094848).

Almost surely, 2^85077894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85077894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99035136).

85077894 is an abundant number, since it is smaller than the sum of its proper divisors (112992378).

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

85077894 is a wasteful number, since it uses less digits than its factorization.

85077894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 85077894 is about 9223.7678851975. The cubic root of 85077894 is about 439.8172347003.

The spelling of 85077894 in words is "eighty-five million, seventy-seven thousand, eight hundred ninety-four".