78516337326704 has 40 divisors (see below), whose sum is σ = 157140004643040. Its totient is φ = 37976344328448.

The previous prime is 78516337326701. The next prime is 78516337326719. The reversal of 78516337326704 is 40762373361587.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78516337326701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383218244 + ... + 383423075.

It is an arithmetic number, because the mean of its divisors is an integer number (3928500116076).

Almost surely, 2^{78516337326704} is an apocalyptic number.

78516337326704 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

78516337326704 is an abundant number, since it is smaller than the sum of its proper divisors (78623667316336).

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

78516337326704 is a wasteful number, since it uses less digits than its factorization.

78516337326704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766641537 (or 766641531 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 62.

The spelling of 78516337326704 in words is "seventy-eight trillion, five hundred sixteen billion, three hundred thirty-seven million, three hundred twenty-six thousand, seven hundred four".