85187678 has 8 divisors (see below), whose sum is σ = 134506920. Its totient is φ = 40352040.

The previous prime is 85187671. The next prime is 85187701. The reversal of 85187678 is 87678158.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85187671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120853 + ... + 1120928.

It is an arithmetic number, because the mean of its divisors is an integer number (16813365).

Almost surely, 2^85187678 is an apocalyptic number.

85187678 is a deficient number, since it is larger than the sum of its proper divisors (49319242).

85187678 is a wasteful number, since it uses less digits than its factorization.

85187678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241802.

The product of its digits is 752640, while the sum is 50.

The square root of 85187678 is about 9229.7171137581. The cubic root of 85187678 is about 440.0063325535.

The spelling of 85187678 in words is "eighty-five million, one hundred eighty-seven thousand, six hundred seventy-eight".