85009304 has 8 divisors (see below), whose sum is σ = 159392460. Its totient is φ = 42504648.

The previous prime is 85009283. The next prime is 85009307. The reversal of 85009304 is 40390058.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85009307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5313074 + ... + 5313089.

Almost surely, 2^85009304 is an apocalyptic number.

It is an amenable number.

85009304 is a deficient number, since it is larger than the sum of its proper divisors (74383156).

85009304 is a wasteful number, since it uses less digits than its factorization.

85009304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626169 (or 10626165 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 85009304 is about 9220.0490237308. The cubic root of 85009304 is about 439.6990090240.

The spelling of 85009304 in words is "eighty-five million, nine thousand, three hundred four".