85748047 has 16 divisors (see below), whose sum is σ = 108202752. Its totient is φ = 66006720.

The previous prime is 85748027. The next prime is 85748053. The reversal of 85748047 is 74084758.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85748047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85747994 and 85748012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85748027) 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, 318 + ... + 13099.

It is an arithmetic number, because the mean of its divisors is an integer number (6762672).

Almost surely, 2^85748047 is an apocalyptic number.

85748047 is a deficient number, since it is larger than the sum of its proper divisors (22454705).

85748047 is a wasteful number, since it uses less digits than its factorization.

85748047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13518.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 85748047 is about 9260.0241360377. The cubic root of 85748047 is about 440.9690196476.

The spelling of 85748047 in words is "eighty-five million, seven hundred forty-eight thousand, forty-seven".