85720300 has 18 divisors (see below), whose sum is σ = 186013268. Its totient is φ = 34288080.

The previous prime is 85720291. The next prime is 85720303. The reversal of 85720300 is 302758.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (85720303) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 428502 + ... + 428701.

Almost surely, 2^85720300 is an apocalyptic number.

It is an amenable number.

85720300 is an abundant number, since it is smaller than the sum of its proper divisors (100292968).

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

85720300 is a wasteful number, since it uses less digits than its factorization.

85720300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857217 (or 857210 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 85720300 is about 9258.5258005797. The cubic root of 85720300 is about 440.9214504888.

The spelling of 85720300 in words is "eighty-five million, seven hundred twenty thousand, three hundred".