78588878507575 has 6 divisors (see below), whose sum is σ = 97450209349424. Its totient is φ = 62871102806040.

The previous prime is 78588878507569. The next prime is 78588878507617. The reversal of 78588878507575 is 57570587888587.

It is not a de Polignac number, because 78588878507575 - 2⁵ = 78588878507543 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 1571777570127 + ... + 1571777570176.

Almost surely, 2^{78588878507575} is an apocalyptic number.

78588878507575 is a deficient number, since it is larger than the sum of its proper divisors (18861330841849).

78588878507575 is a wasteful number, since it uses less digits than its factorization.

78588878507575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143555140313 (or 3143555140308 counting only the distinct ones).

The product of its (nonzero) digits is 49172480000, while the sum is 88.

The spelling of 78588878507575 in words is "seventy-eight trillion, five hundred eighty-eight billion, eight hundred seventy-eight million, five hundred seven thousand, five hundred seventy-five".