85935608778 has 32 divisors (see below), whose sum is σ = 179047350720. Its totient is φ = 27472864640.

The previous prime is 85935608761. The next prime is 85935608807. The reversal of 85935608778 is 87780653958.

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, 2945925 + ... + 2974952.

It is an arithmetic number, because the mean of its divisors is an integer number (5595229710).

Almost surely, 2^85935608778 is an apocalyptic number.

85935608778 is an abundant number, since it is smaller than the sum of its proper divisors (93111741942).

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

85935608778 is a wasteful number, since it uses less digits than its factorization.

85935608778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920982.

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 85935608778 in words is "eighty-five billion, nine hundred thirty-five million, six hundred eight thousand, seven hundred seventy-eight".