85013967916 has 72 divisors (see below), whose sum is σ = 160767101376. Its totient is φ = 39312380160.

The previous prime is 85013967901. The next prime is 85013967917. The reversal of 85013967916 is 61976931058.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85013967917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31014306 + ... + 31017046.

It is an arithmetic number, because the mean of its divisors is an integer number (2232876408).

Almost surely, 2^85013967916 is an apocalyptic number.

It is an amenable number.

85013967916 is a deficient number, since it is larger than the sum of its proper divisors (75753133460).

85013967916 is a wasteful number, since it uses less digits than its factorization.

85013967916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3266 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 85013967916 in words is "eighty-five billion, thirteen million, nine hundred sixty-seven thousand, nine hundred sixteen".