85829878527 has 32 divisors (see below), whose sum is σ = 120352780800. Its totient is φ = 54304179072.

The previous prime is 85829878493. The next prime is 85829878531. The reversal of 85829878527 is 72587892858.

It is not a de Polignac number, because 85829878527 - 2¹⁹ = 85829354239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85829878027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4620424 + ... + 4638962.

It is an arithmetic number, because the mean of its divisors is an integer number (3761024400).

Almost surely, 2^85829878527 is an apocalyptic number.

85829878527 is a deficient number, since it is larger than the sum of its proper divisors (34522902273).

85829878527 is a wasteful number, since it uses less digits than its factorization.

85829878527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19087.

The product of its digits is 180633600, while the sum is 69.

The spelling of 85829878527 in words is "eighty-five billion, eight hundred twenty-nine million, eight hundred seventy-eight thousand, five hundred twenty-seven".