78465588556487 has 8 divisors (see below), whose sum is σ = 85749261186960. Its totient is φ = 71206988810560.

The previous prime is 78465588556469. The next prime is 78465588556493.

78465588556487 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 78465588556487 - 2³² = 78461293589191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78465588556399 and 78465588556408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78465588556447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6268214588 + ... + 6268227105.

It is an arithmetic number, because the mean of its divisors is an integer number (10718657648370).

Almost surely, 2^{78465588556487} is an apocalyptic number.

78465588556487 is a deficient number, since it is larger than the sum of its proper divisors (7283672630473).

78465588556487 is a wasteful number, since it uses less digits than its factorization.

78465588556487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536442273.

The product of its digits is 72253440000, while the sum is 86.

The spelling of 78465588556487 in words is "seventy-eight trillion, four hundred sixty-five billion, five hundred eighty-eight million, five hundred fifty-six thousand, four hundred eighty-seven".