78465515334052 has 24 divisors (see below), whose sum is σ = 171197488002240. Its totient is φ = 30570980000160.

The previous prime is 78465515334029. The next prime is 78465515334061. The reversal of 78465515334052 is 25043351556487.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127379083027 + ... + 127379083642.

It is an arithmetic number, because the mean of its divisors is an integer number (7133228666760).

Almost surely, 2^{78465515334052} is an apocalyptic number.

It is an amenable number.

78465515334052 is an abundant number, since it is smaller than the sum of its proper divisors (92731972668188).

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

78465515334052 is a wasteful number, since it uses less digits than its factorization.

78465515334052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254758166691 (or 254758166689 counting only the distinct ones).

The product of its (nonzero) digits is 60480000, while the sum is 58.

The spelling of 78465515334052 in words is "seventy-eight trillion, four hundred sixty-five billion, five hundred fifteen million, three hundred thirty-four thousand, fifty-two".