78045858308487 has 8 divisors (see below), whose sum is σ = 106873607773936. Its totient is φ = 50624340524352.

The previous prime is 78045858308447. The next prime is 78045858308503. The reversal of 78045858308487 is 78480385854087.

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

It is not a de Polignac number, because 78045858308487 - 2¹¹ = 78045858306439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78045858308447) 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, 351557920198 + ... + 351557920419.

It is an arithmetic number, because the mean of its divisors is an integer number (13359200971742).

Almost surely, 2^{78045858308487} is an apocalyptic number.

78045858308487 is a deficient number, since it is larger than the sum of its proper divisors (28827749465449).

78045858308487 is a wasteful number, since it uses less digits than its factorization.

78045858308487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703115840657.

The product of its (nonzero) digits is 1926758400, while the sum is 75.

The spelling of 78045858308487 in words is "seventy-eight trillion, forty-five billion, eight hundred fifty-eight million, three hundred eight thousand, four hundred eighty-seven".