85638762 has 32 divisors (see below), whose sum is σ = 207610560. Its totient is φ = 25950960.

The previous prime is 85638703. The next prime is 85638779. The reversal of 85638762 is 26783658.

85638762 is a `hidden beast` number, since 8 + 5 + 638 + 7 + 6 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71493 + ... + 72680.

It is an arithmetic number, because the mean of its divisors is an integer number (6487830).

Almost surely, 2^85638762 is an apocalyptic number.

85638762 is an abundant number, since it is smaller than the sum of its proper divisors (121971798).

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

85638762 is a wasteful number, since it uses less digits than its factorization.

85638762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144195 (or 144189 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 85638762 is about 9254.1213521328. The cubic root of 85638762 is about 440.7816031850.

The spelling of 85638762 in words is "eighty-five million, six hundred thirty-eight thousand, seven hundred sixty-two".