78603680317045 has 32 divisors (see below), whose sum is σ = 102345615009792. Its totient is φ = 57609237733632.

The previous prime is 78603680317039. The next prime is 78603680317079. The reversal of 78603680317045 is 54071308630687.

It is a de Polignac number, because none of the positive numbers 2^k-78603680317045 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4344304 + ... + 13269526.

It is an arithmetic number, because the mean of its divisors is an integer number (3198300469056).

Almost surely, 2^{78603680317045} is an apocalyptic number.

It is an amenable number.

78603680317045 is a deficient number, since it is larger than the sum of its proper divisors (23741934692747).

78603680317045 is a wasteful number, since it uses less digits than its factorization.

78603680317045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8926261.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 78603680317045 in words is "seventy-eight trillion, six hundred three billion, six hundred eighty million, three hundred seventeen thousand, forty-five".