85742783 has 8 divisors (see below), whose sum is σ = 98641920. Its totient is φ = 73006200.

The previous prime is 85742771. The next prime is 85742791. The reversal of 85742783 is 38724758.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85742783 - 2⁶ = 85742719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85742743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39503 + ... + 41616.

It is an arithmetic number, because the mean of its divisors is an integer number (12330240).

Almost surely, 2^85742783 is an apocalyptic number.

85742783 is a deficient number, since it is larger than the sum of its proper divisors (12899137).

85742783 is a wasteful number, since it uses less digits than its factorization.

85742783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81277.

The product of its digits is 376320, while the sum is 44.

The square root of 85742783 is about 9259.7398991548. The cubic root of 85742783 is about 440.9599958913.

The spelling of 85742783 in words is "eighty-five million, seven hundred forty-two thousand, seven hundred eighty-three".