78568477486587 has 24 divisors (see below), whose sum is σ = 125296498611648. Its totient is φ = 47043557161200.

The previous prime is 78568477486547. The next prime is 78568477486633.

78568477486587 is a `hidden beast` number, since 7 + 8 + 5 + 6 + 8 + 4 + 77 + 486 + 58 + 7 = 666.

78568477486587 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 78568477486587 - 2⁷ = 78568477486459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78568477486497 and 78568477486506.

It is not an unprimeable number, because it can be changed into a prime (78568477486547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4780841089 + ... + 4780857522.

It is an arithmetic number, because the mean of its divisors is an integer number (5220687442152).

Almost surely, 2^{78568477486587} is an apocalyptic number.

78568477486587 is a deficient number, since it is larger than the sum of its proper divisors (46728021125061).

78568477486587 is a wasteful number, since it uses less digits than its factorization.

78568477486587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561698711 (or 9561698708 counting only the distinct ones).

The product of its digits is 141616742400, while the sum is 90.

The spelling of 78568477486587 in words is "seventy-eight trillion, five hundred sixty-eight billion, four hundred seventy-seven million, four hundred eighty-six thousand, five hundred eighty-seven".