85678495803902 has 16 divisors (see below), whose sum is σ = 136303922053152. Its totient is φ = 40304923185120.

The previous prime is 85678495803869. The next prime is 85678495803907. The reversal of 85678495803902 is 20930859487658.

It is a self number, because there is not a number n which added to its sum of digits gives 85678495803902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85678495803907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15267013553 + ... + 15267019164.

It is an arithmetic number, because the mean of its divisors is an integer number (8518995128322).

Almost surely, 2^{85678495803902} is an apocalyptic number.

85678495803902 is a deficient number, since it is larger than the sum of its proper divisors (50625426249250).

85678495803902 is a wasteful number, since it uses less digits than its factorization.

85678495803902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30534032803.

The product of its (nonzero) digits is 1045094400, while the sum is 74.

The spelling of 85678495803902 in words is "eighty-five trillion, six hundred seventy-eight billion, four hundred ninety-five million, eight hundred three thousand, nine hundred two".