78540007084 has 48 divisors (see below), whose sum is σ = 173707462656. Its totient is φ = 30180816000.

The previous prime is 78540007067. The next prime is 78540007111. The reversal of 78540007084 is 48070004587.

It is a self number, because there is not a number n which added to its sum of digits gives 78540007084.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1724092 + ... + 1769059.

It is an arithmetic number, because the mean of its divisors is an integer number (3618905472).

Almost surely, 2^78540007084 is an apocalyptic number.

It is an amenable number.

78540007084 is an abundant number, since it is smaller than the sum of its proper divisors (95167455572).

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

78540007084 is a wasteful number, since it uses less digits than its factorization.

78540007084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493246 (or 3493244 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The spelling of 78540007084 in words is "seventy-eight billion, five hundred forty million, seven thousand, eighty-four".