85961878 has 8 divisors (see below), whose sum is σ = 132427872. Its totient is φ = 41819256.

The previous prime is 85961867. The next prime is 85961893. The reversal of 85961878 is 87816958.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580750 + ... + 580897.

It is an arithmetic number, because the mean of its divisors is an integer number (16553484).

Almost surely, 2^85961878 is an apocalyptic number.

85961878 is a deficient number, since it is larger than the sum of its proper divisors (46465994).

85961878 is a wasteful number, since it uses less digits than its factorization.

85961878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161686.

The product of its digits is 967680, while the sum is 52.

The square root of 85961878 is about 9271.5628671762. The cubic root of 85961878 is about 441.3352654043.

The spelling of 85961878 in words is "eighty-five million, nine hundred sixty-one thousand, eight hundred seventy-eight".