85983507 has 12 divisors (see below), whose sum is σ = 124886944. Its totient is φ = 57004560.

The previous prime is 85983503. The next prime is 85983509. The reversal of 85983507 is 70538958.

85983507 is a `hidden beast` number, since 8 + 598 + 3 + 50 + 7 = 666.

It is not a de Polignac number, because 85983507 - 2² = 85983503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85983503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24763 + ... + 28020.

Almost surely, 2^85983507 is an apocalyptic number.

85983507 is a deficient number, since it is larger than the sum of its proper divisors (38903437).

85983507 is a wasteful number, since it uses less digits than its factorization.

85983507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52970 (or 52967 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 85983507 is about 9272.7292098928. The cubic root of 85983507 is about 441.3722773147.

The spelling of 85983507 in words is "eighty-five million, nine hundred eighty-three thousand, five hundred seven".