85294638170 has 32 divisors (see below), whose sum is σ = 175479689088. Its totient is φ = 29241137088.

The previous prime is 85294638133. The next prime is 85294638179. The reversal of 85294638170 is 7183649258.

It is not an unprimeable number, because it can be changed into a prime (85294638179) 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, 783512 + ... + 885708.

It is an arithmetic number, because the mean of its divisors is an integer number (5483740284).

It is a 2-persistent number, because it is pandigital, and so is 2⋅85294638170 = 170589276340, but 3⋅85294638170 = 255883914510 is not.

Almost surely, 2^85294638170 is an apocalyptic number.

85294638170 is the 238460-th pentagonal number.

85294638170 is an abundant number, since it is smaller than the sum of its proper divisors (90185050918).

85294638170 is a wasteful number, since it uses less digits than its factorization.

85294638170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114134.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 85294638170 in words is "eighty-five billion, two hundred ninety-four million, six hundred thirty-eight thousand, one hundred seventy".