85619061329 has 16 divisors (see below), whose sum is σ = 87568957440. Its totient is φ = 83687200080.

The previous prime is 85619061259. The next prime is 85619061343. The reversal of 85619061329 is 92316091658.

It is a happy number.

It is not a de Polignac number, because 85619061329 - 2¹² = 85619057233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85619061389) 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, 7473884 + ... + 7485330.

It is an arithmetic number, because the mean of its divisors is an integer number (5473059840).

Almost surely, 2^85619061329 is an apocalyptic number.

It is an amenable number.

85619061329 is a deficient number, since it is larger than the sum of its proper divisors (1949896111).

85619061329 is a wasteful number, since it uses less digits than its factorization.

85619061329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 85619061329 in words is "eighty-five billion, six hundred nineteen million, sixty-one thousand, three hundred twenty-nine".