78535360028 has 12 divisors (see below), whose sum is σ = 137438859600. Its totient is φ = 39267114432.

The previous prime is 78535359949. The next prime is 78535360049. The reversal of 78535360028 is 82006353587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409625 + ... + 569967.

It is an arithmetic number, because the mean of its divisors is an integer number (11453238300).

Almost surely, 2^78535360028 is an apocalyptic number.

It is an amenable number.

78535360028 is a deficient number, since it is larger than the sum of its proper divisors (58903499572).

78535360028 is a wasteful number, since it uses less digits than its factorization.

78535360028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282796 (or 282794 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 78535360028 in words is "seventy-eight billion, five hundred thirty-five million, three hundred sixty thousand, twenty-eight".