78558753287 has 48 divisors (see below), whose sum is σ = 97306168320. Its totient is φ = 63100078272.

The previous prime is 78558753253. The next prime is 78558753289. The reversal of 78558753287 is 78235785587.

It is not a de Polignac number, because 78558753287 - 2¹⁰ = 78558752263 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 (78558753289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21076418 + ... + 21080144.

It is an arithmetic number, because the mean of its divisors is an integer number (2027211840).

Almost surely, 2^78558753287 is an apocalyptic number.

78558753287 is a deficient number, since it is larger than the sum of its proper divisors (18747415033).

78558753287 is a wasteful number, since it uses less digits than its factorization.

78558753287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4133 counting only the distinct ones).

The product of its digits is 131712000, while the sum is 65.

The spelling of 78558753287 in words is "seventy-eight billion, five hundred fifty-eight million, seven hundred fifty-three thousand, two hundred eighty-seven".