85503975 has 24 divisors (see below), whose sum is σ = 141730512. Its totient is φ = 45484800.

The previous prime is 85503973. The next prime is 85503997. The reversal of 85503975 is 57930558.

It is not a de Polignac number, because 85503975 - 2¹ = 85503973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85503973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33339 + ... + 35811.

It is an arithmetic number, because the mean of its divisors is an integer number (5905438).

Almost surely, 2^85503975 is an apocalyptic number.

85503975 is a deficient number, since it is larger than the sum of its proper divisors (56226537).

85503975 is a wasteful number, since it uses less digits than its factorization.

85503975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 85503975 is about 9246.8359453383. The cubic root of 85503975 is about 440.5502327744.

The spelling of 85503975 in words is "eighty-five million, five hundred three thousand, nine hundred seventy-five".