85487745 has 64 divisors (see below), whose sum is σ = 167086080. Its totient is φ = 36453888.

The previous prime is 85487729. The next prime is 85487767. The reversal of 85487745 is 54778458.

It is not a de Polignac number, because 85487745 - 2⁴ = 85487729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85487694 and 85487703.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145342 + ... + 145928.

It is an arithmetic number, because the mean of its divisors is an integer number (2610720).

Almost surely, 2^85487745 is an apocalyptic number.

It is an amenable number.

85487745 is a deficient number, since it is larger than the sum of its proper divisors (81598335).

85487745 is a wasteful number, since it uses less digits than its factorization.

85487745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its digits is 1254400, while the sum is 48.

The square root of 85487745 is about 9245.9583062006. The cubic root of 85487745 is about 440.5223565549.

The spelling of 85487745 in words is "eighty-five million, four hundred eighty-seven thousand, seven hundred forty-five".