85737830 has 8 divisors (see below), whose sum is σ = 154328112. Its totient is φ = 34295128.

The previous prime is 85737809. The next prime is 85737863. The reversal of 85737830 is 3873758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4286882 + ... + 4286901.

It is an arithmetic number, because the mean of its divisors is an integer number (19291014).

Almost surely, 2^85737830 is an apocalyptic number.

85737830 is a deficient number, since it is larger than the sum of its proper divisors (68590282).

85737830 is a wasteful number, since it uses less digits than its factorization.

85737830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573790.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 85737830 is about 9259.4724471754. The cubic root of 85737830 is about 440.9515049263.

The spelling of 85737830 in words is "eighty-five million, seven hundred thirty-seven thousand, eight hundred thirty".