85975740928 has 80 divisors (see below), whose sum is σ = 214171809984. Its totient is φ = 33497026560.

The previous prime is 85975740919. The next prime is 85975740937. The reversal of 85975740928 is 82904757958.

It is an interprime number because it is at equal distance from previous prime (85975740919) and next prime (85975740937).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 85975740928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050975 + ... + 1129822.

Almost surely, 2^85975740928 is an apocalyptic number.

85975740928 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

85975740928 is an abundant number, since it is smaller than the sum of its proper divisors (128196069056).

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

85975740928 is a wasteful number, since it uses less digits than its factorization.

85975740928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180833 (or 2180817 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 64.

The spelling of 85975740928 in words is "eighty-five billion, nine hundred seventy-five million, seven hundred forty thousand, nine hundred twenty-eight".