85665177030 has 32 divisors (see below), whose sum is σ = 206257529088. Its totient is φ = 22770591200.

The previous prime is 85665177007. The next prime is 85665177043. The reversal of 85665177030 is 3077156658.

It is a congruent number.

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, 4581516 + ... + 4600175.

It is an arithmetic number, because the mean of its divisors is an integer number (6445547784).

Almost surely, 2^85665177030 is an apocalyptic number.

85665177030 is an abundant number, since it is smaller than the sum of its proper divisors (120592352058).

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

85665177030 is a wasteful number, since it uses less digits than its factorization.

85665177030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9182012.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 85665177030 in words is "eighty-five billion, six hundred sixty-five million, one hundred seventy-seven thousand, thirty".