78535487200458 has 32 divisors (see below), whose sum is σ = 162833650417152. Its totient is φ = 25225298380800.

The previous prime is 78535487200453. The next prime is 78535487200481. The reversal of 78535487200458 is 85400278453587.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78535487200453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906037783 + ... + 906124458.

It is an arithmetic number, because the mean of its divisors is an integer number (5088551575536).

Almost surely, 2^{78535487200458} is an apocalyptic number.

78535487200458 is an abundant number, since it is smaller than the sum of its proper divisors (84298163216694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78535487200458 is a wasteful number, since it uses less digits than its factorization.

78535487200458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812162510.

The product of its (nonzero) digits is 301056000, while the sum is 66.

The spelling of 78535487200458 in words is "seventy-eight trillion, five hundred thirty-five billion, four hundred eighty-seven million, two hundred thousand, four hundred fifty-eight".