85301778338 has 16 divisors (see below), whose sum is σ = 149342932224. Its totient is φ = 35780076960.

The previous prime is 85301778337. The next prime is 85301778389. The reversal of 85301778338 is 83387710358.

It is a self number, because there is not a number n which added to its sum of digits gives 85301778338.

It is not an unprimeable number, because it can be changed into a prime (85301778337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64818323 + ... + 64819638.

It is an arithmetic number, because the mean of its divisors is an integer number (9333933264).

Almost surely, 2^85301778338 is an apocalyptic number.

85301778338 is a deficient number, since it is larger than the sum of its proper divisors (64041153886).

85301778338 is a wasteful number, since it uses less digits than its factorization.

85301778338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129638017.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 85301778338 in words is "eighty-five billion, three hundred one million, seven hundred seventy-eight thousand, three hundred thirty-eight".