85887478 has 8 divisors (see below), whose sum is σ = 129652272. Its totient is φ = 42670056.

The previous prime is 85887463. The next prime is 85887481. The reversal of 85887478 is 87478858.

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, 136450 + ... + 137077.

It is an arithmetic number, because the mean of its divisors is an integer number (16206534).

Almost surely, 2^85887478 is an apocalyptic number.

85887478 is a deficient number, since it is larger than the sum of its proper divisors (43764794).

85887478 is a wasteful number, since it uses less digits than its factorization.

85887478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273686.

The product of its digits is 4014080, while the sum is 55.

The square root of 85887478 is about 9267.5497301067. The cubic root of 85887478 is about 441.2079034385.

The spelling of 85887478 in words is "eighty-five million, eight hundred eighty-seven thousand, four hundred seventy-eight".