85078782 has 32 divisors (see below), whose sum is σ = 189799200. Its totient is φ = 28249344.

The previous prime is 85078759. The next prime is 85078783. The reversal of 85078782 is 28787058.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85078783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11598 + ... + 17454.

It is an arithmetic number, because the mean of its divisors is an integer number (5931225).

Almost surely, 2^85078782 is an apocalyptic number.

85078782 is an abundant number, since it is smaller than the sum of its proper divisors (104720418).

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

85078782 is a wasteful number, since it uses less digits than its factorization.

85078782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137 (or 6131 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 85078782 is about 9223.8160215824. The cubic root of 85078782 is about 439.8187648916.

The spelling of 85078782 in words is "eighty-five million, seventy-eight thousand, seven hundred eighty-two".