85237900 has 36 divisors (see below), whose sum is σ = 201783960. Its totient is φ = 30995200.

The previous prime is 85237897. The next prime is 85237903. The reversal of 85237900 is 973258.

It is an interprime number because it is at equal distance from previous prime (85237897) and next prime (85237903).

It is not an unprimeable number, because it can be changed into a prime (85237903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37645 + ... + 39844.

It is an arithmetic number, because the mean of its divisors is an integer number (5605110).

Almost surely, 2^85237900 is an apocalyptic number.

It is an amenable number.

85237900 is an abundant number, since it is smaller than the sum of its proper divisors (116546060).

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

85237900 is a wasteful number, since it uses less digits than its factorization.

85237900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77514 (or 77507 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 85237900 is about 9232.4373813203. The cubic root of 85237900 is about 440.0927834635.

The spelling of 85237900 in words is "eighty-five million, two hundred thirty-seven thousand, nine hundred".