85067830 has 32 divisors (see below), whose sum is σ = 162751680. Its totient is φ = 31902720.

The previous prime is 85067783. The next prime is 85067839. The reversal of 85067830 is 3876058.

It is a self number, because there is not a number n which added to its sum of digits gives 85067830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85067839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52066 + ... + 53674.

It is an arithmetic number, because the mean of its divisors is an integer number (5085990).

Almost surely, 2^85067830 is an apocalyptic number.

85067830 is a deficient number, since it is larger than the sum of its proper divisors (77683850).

85067830 is a wasteful number, since it uses less digits than its factorization.

85067830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 85067830 is about 9223.2223219437. Note that the first 3 decimals coincide. The cubic root of 85067830 is about 439.7998917887.

The spelling of 85067830 in words is "eighty-five million, sixty-seven thousand, eight hundred thirty".