78465515347604 has 48 divisors (see below), whose sum is σ = 178640857092096. Its totient is φ = 29241806959200.

The previous prime is 78465515347553. The next prime is 78465515347613. The reversal of 78465515347604 is 40674351556487.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5538213932 + ... + 5538228099.

It is an arithmetic number, because the mean of its divisors is an integer number (3721684522752).

Almost surely, 2^{78465515347604} is an apocalyptic number.

It is an amenable number.

78465515347604 is an abundant number, since it is smaller than the sum of its proper divisors (100175341744492).

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

78465515347604 is a wasteful number, since it uses less digits than its factorization.

78465515347604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11076442076 (or 11076442074 counting only the distinct ones).

The product of its (nonzero) digits is 338688000, while the sum is 65.

The spelling of 78465515347604 in words is "seventy-eight trillion, four hundred sixty-five billion, five hundred fifteen million, three hundred forty-seven thousand, six hundred four".