85720760 has 16 divisors (see below), whose sum is σ = 192871800. Its totient is φ = 34288288.

The previous prime is 85720759. The next prime is 85720771. The reversal of 85720760 is 6702758.

It is a self number, because there is not a number n which added to its sum of digits gives 85720760.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071470 + ... + 1071549.

Almost surely, 2^85720760 is an apocalyptic number.

It is an amenable number.

85720760 is an abundant number, since it is smaller than the sum of its proper divisors (107151040).

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

85720760 is a wasteful number, since it uses less digits than its factorization.

85720760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143030 (or 2143026 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 85720760 is about 9258.5506425142. The cubic root of 85720760 is about 440.9222391915.

The spelling of 85720760 in words is "eighty-five million, seven hundred twenty thousand, seven hundred sixty".