85531415 has 8 divisors (see below), whose sum is σ = 104377680. Its totient is φ = 67265152.

The previous prime is 85531409. The next prime is 85531423. The reversal of 85531415 is 51413558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85531415 - 2⁶ = 85531351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144674 + ... + 145263.

It is an arithmetic number, because the mean of its divisors is an integer number (13047210).

Almost surely, 2^85531415 is an apocalyptic number.

85531415 is a deficient number, since it is larger than the sum of its proper divisors (18846265).

85531415 is a wasteful number, since it uses less digits than its factorization.

85531415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290001.

The product of its digits is 12000, while the sum is 32.

The square root of 85531415 is about 9248.3195770907. The cubic root of 85531415 is about 440.5973549713.

The spelling of 85531415 in words is "eighty-five million, five hundred thirty-one thousand, four hundred fifteen".