85807048 has 8 divisors (see below), whose sum is σ = 160888230. Its totient is φ = 42903520.

The previous prime is 85807031. The next prime is 85807049. The reversal of 85807048 is 84070858.

It can be written as a sum of positive squares in only one way, i.e., 43322724 + 42484324 = 6582^2 + 6518^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 85807048.

It is not an unprimeable number, because it can be changed into a prime (85807049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5362933 + ... + 5362948.

Almost surely, 2^85807048 is an apocalyptic number.

It is an amenable number.

85807048 is a deficient number, since it is larger than the sum of its proper divisors (75081182).

85807048 is a wasteful number, since it uses less digits than its factorization.

85807048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10725887 (or 10725883 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 85807048 is about 9263.2093790435. The cubic root of 85807048 is about 441.0701362287.

The spelling of 85807048 in words is "eighty-five million, eight hundred seven thousand, forty-eight".