78045858311485 has 16 divisors (see below), whose sum is σ = 93709003917312. Its totient is φ = 62400707812800.

The previous prime is 78045858311479. The next prime is 78045858311537. The reversal of 78045858311485 is 58411385854087.

It is not a de Polignac number, because 78045858311485 - 2⁷ = 78045858311357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78045858311485.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171544927 + ... + 171999283.

It is an arithmetic number, because the mean of its divisors is an integer number (5856812744832).

Almost surely, 2^{78045858311485} is an apocalyptic number.

It is an amenable number.

78045858311485 is a deficient number, since it is larger than the sum of its proper divisors (15663145605827).

78045858311485 is a wasteful number, since it uses less digits than its factorization.

78045858311485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474084.

The product of its (nonzero) digits is 172032000, while the sum is 67.

The spelling of 78045858311485 in words is "seventy-eight trillion, forty-five billion, eight hundred fifty-eight million, three hundred eleven thousand, four hundred eighty-five".