85765937428 has 12 divisors (see below), whose sum is σ = 150109294720. Its totient is φ = 42877567512.

The previous prime is 85765937321. The next prime is 85765937437. The reversal of 85765937428 is 82473956758.

It is a super-3 number, since 3×85765937428³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85765937428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314468 + ... + 1378171.

Almost surely, 2^85765937428 is an apocalyptic number.

It is an amenable number.

85765937428 is a deficient number, since it is larger than the sum of its proper divisors (64343357292).

85765937428 is a wasteful number, since it uses less digits than its factorization.

85765937428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700606 (or 2700604 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 64.

The spelling of 85765937428 in words is "eighty-five billion, seven hundred sixty-five million, nine hundred thirty-seven thousand, four hundred twenty-eight".