85032798578 has 32 divisors (see below), whose sum is σ = 159945601536. Its totient is φ = 33004640448.

The previous prime is 85032798563. The next prime is 85032798583. The reversal of 85032798578 is 87589723058.

It is a self number, because there is not a number n which added to its sum of digits gives 85032798578.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4398026 + ... + 4417317.

It is an arithmetic number, because the mean of its divisors is an integer number (4998300048).

Almost surely, 2^85032798578 is an apocalyptic number.

85032798578 is a deficient number, since it is larger than the sum of its proper divisors (74912802958).

85032798578 is a wasteful number, since it uses less digits than its factorization.

85032798578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815418.

The product of its (nonzero) digits is 33868800, while the sum is 62.

The spelling of 85032798578 in words is "eighty-five billion, thirty-two million, seven hundred ninety-eight thousand, five hundred seventy-eight".